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Polymer 80 pin holes

polymer 80 pin holes Let's the New Glock 20 10mm Polymer 80 PF45. any polymer-based product. This sub welcomes and encourages the sharing of 80% legislation, news, and memes. Parts included are a 3mm set screw bolt catch pin, 5/8” dowel pin for bolt catch, 3/8” pistol grip nut, 1/16th Allen Wrench. Side note: You can use a Dremel tool to remove the necessary material as well. com today! The following is dimensional and general data for spring pins recognized as American National Standard, which are widely used in general industrial applications per. All the bits to remove material and drill your pin holes will be provided as well. The PF940v2 jig kit is compatible with G17, G22, G24, G31, G34, and G35 handguns. Improved Jig system provides insert for trigger hole drilling, and also includes necessary end mill bits. I go to reassemble and everything fits with same tightness as the Glock frame. This 80% 17/22 frame is not considered a firearm and is compliant with the gun control act of 1968 as defined in 18 U. The kit includes: Phoenix2 80% fiberglass-filled nylon polymer AR15 lower receiver (Mil-spec Flat Dark Earth) Set screw bolt catch pin (3mm) Bolt catch dowel pin (5/8in) Pistol grip nut (3/8in) The sides 80 include a lower hole 86 which aligns with the third pin hole 88 on the unfinished frame 10, so that a trigger housing pin 90 may pass and aid in holding the rear rail insert 50 in There've been a few third-party complete Glock receivers, all with varying levels of success and failure, but Polymer 80 has produced the first commercially available 80-percent: the Spectre. com Polymer 80 PF940v2 issues and fixes If this is your first visit, be sure to check out the FAQ by clicking the link above. See full list on usacarry. DO NOT use a drill press either with or without a drill press vise or cross slide vise to drill your holes. Discussion in 'AR15' started by TRaGiK, Apr 24, 2015. Cut the trigger slot in the cavity's floor. There are various 80% lower receivers available online, both with polymer and aluminum frames. 5 1) mm. After two years of planning, design, engineering, and testing, we're proud to introduce the industry's first reinforce pin chamber must allow free travel of the pin, it is larger than the pin. 2mm Thickness This Product is ready to ship. Super Glue versions are not to be used on the polymer. 3 ±1) mm. Add To Compare . Does not include frame, locking block and magazineKit Includes:ConnectorExtended Slide Stop Release with SpringLocking Block PinExtended Magazine Release (Glock 17/19)Magazine ReleaseMagazine Relea The Polymer80 Lower Receiver features rock solid frame, injection molded from a fully automated system that was two years in the making. Also use nippers to cut off a bulk of what you eventually grind or dremel down. The pistol grip area has a unique no-thread design specific to Polymer80 lowers. To use the Modulus Arms jig, you must first install a pivot pin in the 80-percent lower. Typically, to finish the remaining 20% of your frame, you will need to machine the main fire control group pocket, hammer/trigger pin holes, trigger pass-through hole, and Two sets of bits, just in case you want to use Polymer 80 bits. The Polymer 80 PF940C Pistol Frame is compatible with Glock 19/23 compact frame components. Trigger Pin; Locking Block Pin; Trigger Housing Pin; Front Locking Block Pin . I ordered a pf940c from glockstore and the M4 hole on the jigg was out of spec, got an rma from Polymer80 today and after checking yet again, the m4 hole is out of spec. 00 . 308 Warrhog 80% Polymer AR10 Lower Kit- FDE . Drill the safety selector lever pin Polymer 80 INC P80308KITGRY: Polymer80's 308 Warrhogg Lower Receiver Kit features an industrial-strength, injection molded, reinforced polymer receiver with a solid core designed for the DPMS-styled . I finished mine with a router, and just don't see the advantage to polymer, other than weight. As I should, you didn't do anything wrong by attempting this. Setup. com The hole is already milled/molded for it on the polymer80 lower. Using a 5/32” drill bit align the trigger pin hole with the drill bit and drill to a depth of 0. While polymer 80% lower receivers often times include a single-use jig that can be completed on a drill press, a proper lower receiver completion jig makes the process much faster, easier, and provides better results. Do not overtighten the jig in any vice, you can adversely adjust placement of holes to the pistol frame. Muye Taper Reamer 3. --but then i would have made the stock into it as well and it would be seamless on the stock to lower joint. Includes: AR15 Lower Receiver; Set Screw Bolt Catch Pin; Dowel Pin for Bolt Catch; Pistol Grip Nut; Pistol Grip Screw Editors Note: Polymer 80 Glock Build Project: This article is part three in a three-part Ghost Gun series between The Truth About Guns, AmmoLand News, and USA Carry. This is a reference point. A pistol, comprising: a frame having a rear grip, a trigger facility forward of the grip and an upper surface; an elongated slide connected to the frame and operable to reciprocate along the upper surface; the frame defining a rear recess open at the upper surface; an insert having a major portion removably received in the rear recess and having a frame rail extending from the If the NOGO pin fits without interference, then the hole is oversize and the part should be rejected. If you use Gen 4 or later parts you might damage the frame and will definitely void your warranty. Need:- utility knife- hand drill- rotary tool- wood carving rotary bitREVISED: Doing the holes f Polymer 80 Slide Issues- How to fix a rough slide action; How to fit the Polymer80 Rail sections; How to fix misaligned holes; How to Level the rear rails; Custom Glock 19 Magwells that fit Polymer 80 PF940C . You Want in Best Store. Drop the locking block rail system into the frame directly over top the trigger well. <sigh> I'm doing my best not to sound condescending. I don’t, you can use these to smooth out the holes or “deburr” the holes. Polymer80's 80 percent G150 Phoenix, Gen2 Lower Receiver Kit features Polymer80's proprietary polymer composite, a solid core design, stiffened magwell and beefier MIL-SPEC buffer tube housing. All the bits to remove material and drill your pin holes will be provided as well. The problem is that the M4 holes will not line up with the locking block and when trying to insert the pin, it taps against the locking block. Polymer80 AR-15 80% Lower Receiver Kit Polymer Black P80RL556V3BLThis kit includes 80% Polymer AR15 lower receiver (mil-spec), a polymer jig, trigger hole drill guide, drill bits, and end mill bit. When you receive your Polymer 80 it will arrive in a neat little black box. 308 80 percent lower receiver design features a beefed up buffer tube ring; ribbing across the entire upper surface area; no-thread design on pistol grip area; stiffened magwell with an Deburr & Ream Frame Holes For A Precise Pin Fit. Polymer80's 308 Warrhogg Lower Receiver Kit features an industrial-strength, injection molded, reinforced polymer receiver with a solid core designed for the DPMS-styled . Then, with the proper roll pin punch from the Obsidian punch set, drive the pin through the top ear, triggerguard and bottom ear. Also we're going to go over my first impressions of the Glock 20 10mm Build. I spent a fair amount of The internals (fire control group) are also polymer, but the upper is alloy. . Back last month, I finished a Polymer 80 compact frame, using a Brownell's slide, Alpha Wolf barrel, Shadow Systems slide parts, Glock frame pieces, Glock sights, and two Glock 10-rd magazines. This pocket is stepped up from the fire control cavity. . To do this, hand-fit a 3/32 The first thing I do when I get a new frame is to throw out the junk drill bits that come with it. we did drill the hole that pin resides in. Testing has shown while using a drill press the bit will not self-center in the jig and will result in poorly placed or irregular pin holes. There's no expensive jig kits and parts to purchase our system is a complete, all inclusive package in one price. Fits Compact and All V2 Full Size Frames (9mm, 40 S&W, . 308 platform is engineered and manufactured by James Madison Tactical in the USA. Pins will then go in just like a Glock. 80 pin TQFP Adapter. Hand-filling polymer handles give you a secure purchase to transmit maximum torque smoothly and evenly to the hole. You can machine polymer components very easily, and the finishing process can be done with ordinary hand tools; Finish. So the jig has consumable aluminum probe blocks that you can see below. •Slide takedown pin into hole. In addition I alway check the table on my drill press with a level before using it. How to fix misaligned holes 5. 1 day build of my Polymer80 PF940C was a success!\r\rBefore you comment… \rNo, I did not read any instructions on how to finish the frame. I then took a rubber mallet to slowly tap the rear pin the rest of the way. Using the same 5/32” drill bit align the hammer pin hole with the drill The pistol grip area features a unique no-thread design specific to Polymer80 lowers. 1. Use your hand, not a Dremel or drill. I got the gun firing on the pull and reset of the trigger. 308 80% Lower Receiver & Jig Includes a jig and all the drill bits. 308 platform is engineered and manufactured by James Madison Tactical (JMT) in the USA. To remove, thread a screw or tool into the tapped hole, then pull the pin out. This kit includes a high strength fiber/polymer James Madison Tactical (JMT) Gen2 black 80% lower receiver, the machining jig for you to complete your lower (Bits Sold Separately) and a Gunlab AR-15 lower parts kit. Polymer 80 G150 Milling BY Polymer 80 G150 Milling in Articles Polymer 80 G150 Milling Reviews : If you're looking for Polymer 80 G150 Milling . The 308 unit is ATF-compliant, well within their defined parameters of a receiver blank. The Polymer80, Phoenix2, AR15 80% lower and jig system includes the Phoenix2 system. I will document with pictures and update progress of the build in this thread. The Phoenix, Gen2 version features Polymer80's proprietary polymer composite, a solid core design, stiffened magwell and beefier MILSPEC buffer tube housing. Please visit our friends Rationale and ignorance is not something the ATF takes kindly. Jig screws are not included. Then disassembled as it should. Unique reinforced polymer design allows for a great project build. How to fit the Polymer80 Rail sections 4. Ask questions, post builds, get advice, and all around discuss Polymer80s AND other 80% firearms. This is a 80% frame for Glock Gen 3 parts. The kit includes:80% Polymer AR15 Lower Receiver (Mil-spec)Polymer JigTrigger Hole Drill GuideDrill Bits and End Mill SKU#: P80-NKITP80-RL556V3-BLK Use a legit drill press ( not a dremel drill press) to drill your pin holes. This system is designed as a complete kit. Today we’re going to cover the common problems some people face with their Polymer 80 PF940C / PF940V2 Build. Enter the “80-percent” companies, of which Polymer80 is the largest. Gun Addiction is an Instagram account and he posted a photo of his “cosmetic” modification. Rock Slide USA Uppers Are Made To Work On The Glock Platform With Full Polymer 80 Compatibility. READ THE WELCOME STICKY. Description. Polymer 80 Slide Issues- How to fix a rough slide action 3. Price Per Each. 80% polymer AR-15 and pistol frames. I used a $100 drill press and the pin holes are perfect. This innovative frame includes a built in picatiny rail to accept all of your aftermarket pistol lights and lasers and an ergonomically designed beavertail and finger grips. Materials. com The Polymer 80 Frame is based off of the third generation of Glock pistols, which is why you will need to make sure that any lower and upper parts you get for your pistol will need to be See full list on gunnewsdaily. The operations left to be completed on our 80% 308 lower is as follows: fire control group; trigger pin; hammer pin; trigger slot; safety selector hole. It is right above the selector switch in the photo above. 18-12. You may have to register before you can post: click the register link above to proceed. 308 80% lower is fully engineered using current finite element structural analysis for reliable, long-term high performance. I figure the 1911 will be more complex, more pin holes to drill, etc. The 308 unit is ATF-compliant, well within their defined parameters of a receiver blank. ) Installing The Pivot Pin. I hope this tutorial helps you with your Polymer 80 PF940C / PF940V2 Custom Glock Build. While it’s recommended to use a drill press, Tarr was able to drill the pin holes in the P80 frame by hand with a Dremel tool. By aligning the chamfered hole in the C. Condescension is a professional trait they teach us in gunsmithing schools. 1. When probing, the endmill will touch the corner next to the hole in the jig. Polymer 80 Trigger Housing Pin Holes BY Polymer 80 Trigger Housing Pin Holes in Articles If you searching to evaluate Polymer 80 Trigger Housing Pin Holes price. The 308 unit is ATF-compliant, well within their defined parameters of a receiver blank. Progress Check – when you are done drilling the correct number of 3/8″ holes, your 80% Lower should look like the image above. Slightly enlarge the holes for the safety detent pin hole, and the takedown detent pin holes as they are very tight. \rYes, I realize they say not to drill pin holes with the press. PF940V2 Standard lower parts plus That's a really nice rifle. The holes are to be drilled horizontally using a handheld power drill, from each side. Walls can be damaged in a wide variety of ways, from pin holes and cracks to large break outs. RJ556U Universal Jig for Milspec 80% AR-15 Lower Receivers • RJ556U . Here are the details of my first build. The pistol grip area features a unique no-thread design specific to Polymer80 lowers. Welcome to the only Polymer80 subreddit, to date. Marine gun builder on YouTube is very helpful. 5in Pistol Grip Screw; 1x 1/16th Allen Wrench; 1x J150 AR15 jig Polymer80's 308 Warrhogg Lower Receiver Kit features an industrial-strength, injection molded, reinforced polymer receiver with a solid core designed for the DPMS-styled . I put 50 rounds through it no problem. 7mm Hex Shank Reamer Fluted Hand Held Steel Bridge Pin Hole Chamfer Woodworking Cutting Tool Core Drill Bit Reamer Tool 4. Do you think he should get another poly receiver? After a bit more 'messin' with it' I was able to get the slide to function fine. Flawless. The pin hole is not lining up between my rail insert and the frame. All pin holes must be drilled into the PC-board, since the unconnected pin serves as mounting. Headphone WARNING: no music, reduced volume power tool sound. ” These lower receivers are 80% finished and require final milling of the fire control group, trigger pin, hammer pin, trigger slot, and safety selector. Rather than using the GI method of using a 3/32" roll pin to secure the BHO lever, the Polymer 80 percent lower receiver uses a short dowel pin in a blind hole that is retained by a small set screw. The holes on the jig were actually lined up with each other. P80 G150V2 AR-15 80% Receiver Kit - Black You are bidding on one complete kit. The threads for this very small (5–40) screw have to be cut by the builder. This is not your average polymer 80 lower, in fact, The JMT . Since the Polymer 80 pistol frame is made of polymer the probe does not have anything to touch. Inside the box will be your un-finished frame with the jig to guide you on your quest towards a completed frame. Step 2: Install Magazine Spring & Mag Catch/Release The P80 cutting programs use the following operations to complete an 80% P80 940C frame: Barrel guard and ribbing milling operation using an Onsrud ¼” End Mill Drill trigger pin hole using a #22 jobber Drill Polymer 80 expressly says *not* to drill the 3mm and 4mm ‘pin’ holes using a drill press, but to use a hand drill. Binge on all my Polymer 80 Videos https://goo Polymer 80 Troubleshooting // TUTORIAL . Polymer lowers are easier to machine, but are more prone to scratching and gouging as well as full-on breakage if you aren’t careful. V. I have not run too many rounds through them but they seem to be holding up well The specter 80 is the world’s first 80% polymer pistol frame. Side note: You can use a Dremel tool to remove the necessary material as well. Pin hole placements are critical on the pistol frame. Drill the hammer and trigger pin holes. I've seen other poly AR lowers that have metal re-enforced critical areas like the front and rear retaining pin holes and the buffer tube extension. If you wish, you may leave a few millimeters of polymer material to separate the rear lug from the fire control cavity (vertical green bar). In this video we're going the build the Polymer 80 PF45 Step-By-Step. . Use the Drill Press to drill each 3/8″ Hole to a little above finished depth for the FCG main pocket at 1. I had to partially put the rear pin in first then push the front pin all the way in. There really is not a lot of stress on the lower. 250″. Each of the holes are marked on the jig with the size of the proper drill bit. We are currently assembling the frame and should be finished in a short time. Do not drill the pin holes using a drill press on the cross vise. Drill the holes with a metric bits 3/4mm. Agreed, but in the case of TNA, it wasn't a mistake, they set the rear lug to one side on purpose to put more material around the detent hole for the rear takedown pin. . It comes down to improperly located retaining pin holes. I do have to go back and ream the 3mm holes by hand but use a #32 drill bit which is slightly under Glock 17 Build Polymer80 PF940 Step 3: With the jig still in the vise, drill out the three holes on the side of the frame. The jig seems to fit an 80% lower well, but it lacks the black anodized finish and logo shown in the product images. My only complaint was on several of them it seemed the hammer and trigger pin holes may have been off. But don’t use a dremel drill press as he suggests. 308 in an 80 percent format. As such, they can be bought, sold, and transported without restriction, as the government just considers them pieces of metal and/or plastic and not guns. but should be a fun project. Adafruit Industries, Unique & fun DIY electronics and kits Adafruit Feather HUZZAH with ESP8266 - Loose Headers : ID 2821 - Feather is the new development board from Adafruit, and like its namesake it is thin, light, and lets you fly! Polymer80 80 Percent Lower Receiver 308 Warrhogg AR-10 Platform 308 Win / 7. 40S&W G22, 35, 24; and . 308 WarrHogg Lower Receiver • WarrHogg instructions (PDF): Click Here . This feature will surely be a favorite amongst competition shooters who require speed and accuracy. Polymer 80 ar 15 complete kit. This system is designed as a complete kit. . S. The pin is then secured by screwing a tiny allen screw into the hole. It had performed fine up until it fell apart for no reason. Then, with the smaller M3 drill bit, drill holes for the trigger housing pin and the locking block pin. He drilled a third pin hole in the receiver with a “random sized” drill bit. View Details. \rNo, it did not cause any issues because I did not have the jig clamped in the vice causing deformation. However, instead of using the normal roll pin to secure the bolt catch, Polymer80 provides you with a tiny little pin which you drop into the hole. 357Sig G31. perfect alignment of the holes are achieved (See Figure 5) 2. a. When you receive your Polymer 80 it will arrive in a neat little black box. 030 plus towards the rear. 62 NATO Polymer OD Green P80308KITODGPolymer80's 308 Warrhogg Lower Receiver Kit features An Industrial-Strength, Injection Molded, Reinforced Polymer Receiver With a Solid Core Designed For The DPMS-Styled . 8 hydrangeas If you build the Polymer 80 version of the Glock 17, make sure you get the second version and NOT VERSION 1. Could it be the detent is not going far enough into the safety selector? How far is it supposed to stick into the safety hole? Ok my next issue is a bigger one, I milled out Polymer 80 lower and when I test fired the gun the hammer will fall when the trigger is reset. Ask questions, post builds, get advice, and all around discuss Polymer80s AND other 80% firearms. This is achieved through current technology and computer aided manufacturing processes combined with exacting quality control procedures. Unlike the Glock, this frame includes a uniquely extended beaver-tail, and most notably a super tactical 1911 pistol grip rather than the standard glock styled pistol grip. This sub welcomes and encourages the sharing of 80% legislation, news, and memes. A jig and all drill bits are included in this package. The box and accessories are from a P80-PF940v2 ™ Cobalt model, if you have a specific color or model request for the box label, ask and if I have it I will swap them out. When the breaking force is applied to the pin it tilts a little inside the pin chamber before it shears. first looks is that its got a pretty good finish on the outside for a polymer. That would be a size-on-size interference fit. The front locking block pin holes 70 align with the front pin hole 24 of the front legs 20. Next Generation Ergonomics and Features. Remember to bubble level it and clamp it down! Disclaimer again. And there is absolutely nothing we can do for that. This is not your average polymer 80 lower, in fact, The JMT . 308 in an 80 percent format. Drill the pin holes using our jig, hand drill and a drill press vise. A thorough account from a builders perspective Contributed by ReconGeek I have been piecing things together for a few months. I’ve tried both to fix the pin holes but when I redrill the holes just end up the same as before. Manufactured from high-grade polymer, this Gen 2 80% lower receiver from James Madison Tactical is easy to customize and install. Hardened steel, fluted reamers true-up pin holes in 1911 frames to help ensure a tight, smooth-operating pistol. You have to drill the holes straight, need a drill press or something to keep the drill 90 degrees to the frame or you will fight the pins. The kit includes: 80% Polymer AR15 Lower Receiver (Mil-spec) Polymer Jig Trigger Hole Drill Guide […] Size: 308 Winchester/7. Unique reinforced polymer design with solid core design; ATF compliant design; Beefed up buffer tube ring and ribbing across the entire upper surface area; No-thread design on pistol grip area; Stiffened magwell, ultra-light design Polymer80 . so I contacted the company and During one of the previous panic buy periods…we bought a no-name 80% that had multiple alignment problems and required re-drilling of pivot pin holes. 5. The whole thing had to drop lower in the frame to align with the pin hole. On the polymer 80 lower, the rear lug pocket for your upper receiver's takedown pin is already completed (circled in green). How long are you guys letting the jb weld dry/cure? At this point I’m tempted to just take the frame as a lesson learned PF940V1. 3. My primary reason was the non-registration. I think the issue is with the extractor spring/rod. 2. The . ⭐⭐⭐⭐⭐ Buy at this store. For those who may not know, in most of our great country it is legal to manufacture your own firearm for your own use, provided you are legally qualified to own a firearm. I wonder if the back pressure from shooting with the suppressor had anything to do with the crack on your rear takedown pin hole. 80% Polymer lower. If I were to make design changes based on priority I would put metal/brass threads instead of bare polymer threads for the pistol grip. James Madison Tactical Gen 2 Black 80% Polymer AR-15 Lower Receiver w/ Jig & Lower Parts Kit. This receiver is machined to 80 percent and still requires machining to be completed. . Ideal for correcting out-of-round and under-size pin holes. If you searching to evaluate Polymer 80 Trigger Housing Pin Holes price. There is zero chance we have worn that pin out in 200 rounds. Drilling. Polymer 80 G150 Phoenix2 80% Lower - Complete Kit - White. I also have a pair of polymer 80 lowers on order that I'm waiting on. The Polymer 80% Lower Receiver is not an FFL (Federal Firearms License) item. 308 80% Lower Receiver Design features: Unique reinforced polymer design with solid core design; ATF compliant design Just some Warnings about the new Baby Glock Polymer 80. For good measure there's no hole in the jig so I couldn't drill it even if I wanted to. Do not use the drill press for this; use your hand drill. The Polymer 80 frames need Glock Gen 3 compatible parts. So i re-drill them using these bits. I have almost all my parts now and just received my 30274 ejector today, so I am about to start building soon. S. Out of Stock. ANSI/ASME B18. 308 80 percent lower receiver design features a beefed up buffer tube (1) Drill Bit, Trigger Pin Hole: 5/16" Drill Bit (1) Drill Bit, Safety Selector Switch Hole: 3/8" Drill Bit; Features. The Polymer80 Warrhogg 80% Lower Receiver features a rock solid frame, injection molded from a fully-automated system that was two years in the making. Consult your instructions and template for each different frame you finish. To help out in this 1. You attach the probe wire to the bottom of the screw to complete the circuit. rear takedown pin hole. 286 with the beveled part of the caliper jaws toward the top of the frame. The 80% 308 Lower Receiver is Polymer. 99 $ 9 . Related posts: In the video it tells you to drill the firing pin holes and safety lever holes BY HAND. 000 hole, a 1. Various Polymer 80 Glocks. The grip screw hole is threaded and reinforced. 308 platform is engineered and manufactured by James Madison Tactical (JMT) in the USA. Polymer80’s frame kits ($149) let you do just that…in the comfort of your own home. 308 80% Lower Jig Polymer 80 - AR-15 80% Lower Receiver and Jig Kit, JMT AR-15 80% Polymer 80 released their new compact longslide model a few months ago. 0 or 1. They sent us a sample and we beat it, ran it over with a car, and it survived! They took the standard AR-15 lower, kicked it up with glass-filled nylon, and inserted 50 80 234 28 50 90 263 28 50 100 292 28 Standard snap-in terminals: length (6. The . Beef up the top part of the receiver especially around the opening for the fire control group. However, they changed one part on these frames that causes a lot of questions from our customers. No fit issues. At the risk of becoming really annoying, do not drill the side pin holes using a drill press - see the Do’s and Don’ts section below! 5. Take the roll pin and lightly tap it into the hole in the top ear. Joint with the chamfered hole on the mating stub shaft will ease the installation of the spring pin, and eliminate the pin from hanging up or catching a burr or sharp edge. com. 3. The pin hole is not lining up between my rail insert and the frame. **sorry this is my first post and am just learning how to post and stuff**I bought an 80% polymer lower receiver and when I got it I was impressed with the strength of the material so I thought I would go ahead and get started even though I have never undertaken such a task. EP Lowers makes a hot item right now, 80 percent lowers. Polymer 80% Lower Receiver and Complete Jig, everything you need to get your own build started. TIP #1: Order a few extra pivot pin detents from Brownells. The Glock Poly 80 was $149, I probably would not invest much more than that in a 1911 version, too much out of pocket if I screw it up. AR-15 80% Polymer Lower Receiver With Jig by Daytona Tactical. They've been including metric drill bits for a while. I had the same issue with my ar a few months ago. No drilling necessary. The PF940C frame came in 3 colors at the time, so I opted for gray, more colors have been added since then. A spiral groove cut into these pins relieves trapped air but stays in 360° contact with the hole for a secure fit that's easy to insert in and remove from blind holes. Rock solid frame, injection molded from a fully automated system that was two years in the making. Hybrid 80% AR-15 Lower Cosmetic Blem and Jig. The PF940v2™ is compatible with components for 3-pin 9mm G17, 34, 17L; . This is THE TOUGHEST polymer 80% lower we have ever seen. Re: Polymer 80 glock end plate installation I just ordered an OEM glock gen 3 recoil spring assembly for $10. I use the Dremel 5/32" brad point bit for the 4mm hole and a 7/64" brad point bit for the 3mm holes. Ensure the pin holes in the block/rail and frame align, then gently tap the 25mm pin into the front hole until it is flush on both sides of the frame. C. L2D Combat P80 PF Series pin sets feature dimpled ends to give your firearm a custom appearance and to help with centering a punch tool during assembly or disassembly of your firearm. The polymer 80% lower receiver for your . There is a great video showing how to drill these holes. Fits Polymer 80 PF940V2, PF940C and Glock gen 3 Some customers say it fits Gen5 (read reviews), some others say It doesn't fit Gen5 ? The Polymer80 G150 Phoenix2 is designed as an all-inclusive kit with no expensive jig kits and extra parts to purchase. Side note: You can use a Dremel tool to remove the necessary material as well. . The trigger pin holes 74 align with the rear pin hole 26 of the rear legs 22. TIP #2: When you’re working with a polymer lower, check to ensure that the detent hole is properly sized. I have yet to see any issues in these type of hybrid receivers. Type: 80% Lower Receiver KitGun Model: AR-15Gun Type: AR PlatformMaterial: PolymerFinish: BlackManufacturer: Polymer80 Mfg Number: RL556V3BLModel: AR-15 Zanite Plus polymer composite is a blend of pure silicon dioxide ceramic (99. Clean up the flashing that remains around the new holes. The JIG is used, but the bits, sticker, pins have never been used. 921(a)(3). Polymer 80 . Only use Loctite that is approved for contact with polymer based products. However, most people do not have the tools or the skill to manufacture their own guns, which has always been the limiting factor. Polymer 80 RL556v3 80% AR-15 Lower with Jig For aluminum 80% lower receivers, tooling and a jig are required to complete the receiver. The 308 Unit Is ATF-Compliant, Well Within Their Defined parameters Of a Receiver to me it looks like it should be a little thicker around the rear pin hole , i have seen a "number" of super-polymers fail right there. The . Drill bits are AGAIN useless pieces of crud. 6 out of 5 stars 25 $9. Make sure the shop keep your personal information private before you purchase Polymer 80 Trigger Housing Pin Holes Make sure you can proceed credit card online to buyPolymer 80 Trigger Housing Pin Holes and the store protects your information from fraudulents Make sure the customer support is always there to aid you when you place Polymer 80 Trigger Housing Pin Holes order with them Polymer 80 USA Made Glock Compatible Uppers With Lifetime Warranty. I run a polymer 80 lower on 1 of my guns that has few thousand rounds through it and haven't had any cracks. The Phoenix, Gen2 version features Polymer80’s proprietary polymer composite, a solid core design, stiffened magwell and MILSPEC buffer tube housing. The upside is that the parts are inexpensive, so having a few extra on hand won’t hurt your wallet. Drill the pin holes using the bench vise and hand drill! 2. The PF940V2 is frikkin flawless and beautiful. The very front hole comes from Poly 80 already in place. Most nights it is between 0-5 shots. G150 and Rhino: How to Instructions What speed should I use when milling my Polymer80 frame or receiver? No FFL is required to purchase this 80% polymer Ar-15 lower receiver. The threads for the buffer tube may be a little tight as well. This is entirely optional. WE DO NOT REPRESENT THE COMPANY Polymer80! WE NO LONGER ALLOW WTB/WTS/WTT POSTS. I then kept pushing the rear pin in and out to loosen the hole. Once your rifle is finish you wont see the blem. The frame itself was finished using sandpaper, files, and a hand drill. The rear locking block pin holes 72 align with the semi-circle cut out 28 of the rear legs 22. Polymer 80 started with a standard 9mm/40 frame, suitable for constructing third-generation Glocks (17/17L/22/34/35) in a variety of colors. 00 $ 90. Would the reduced weight be enough to really feel? While we are at it, what about polymer uppers? Seems like there would be too much stress for me to trust an upper Polymer 80 RL556v3 80% AR-15 Lower with Jig System - OD Green. Below are several pictures showing the issue. The . So it was with joy that I embraced the opportunity to review a few different products from 80% Arms. Ive done a few of the G19’s and G17’s from P80, and I will tell you their frames are better then real Glock frames. 308 in an 80 percent format. 80% Lowers is a premier retailer and YOUR source for 80 percent lowers, 80% lower jigs, build kits and more. Machined to perfectly fit all AR-15 parts, the receiver features pre-machined areas such as buffer tube threads, the bolt release cavity, and the rear pivot pin. It wasn't the right fix to the problem of course (especially given they are still prone to blowing out that detent hole), but that was their solution. The Polymer 80 . Keep the jig on like you did for the slide cutting and barrel seating. READ THE WELCOME STICKY. 357Sig, 10mm, . The fire control group, trigger pin, hammer pin, trigger slot, and safety selector hole need to be machined to complete this lower receiver. 80% lowers are generally type II or type III hard-coat anodized which makes them abrasion and corrosion-resistant. As said before, the JIG is used (the holes are for nuts and bolts to keep the jig together-Yeah, maybe a few more than needed) but the other parts are not. EP Lowers EP-80 Polymer key with vise grips to carefully crank down the screw and seat the pistol grip 13. 0250 Material Steel Pin Diameter (Decimal Inch) 0. 4. 0620 Knuckle 1/4 PSC Code 5340 View Product Value Collection 1/8" Diam x These all as a consequence meet the expense of long-suffering instruction upon our products. Polymer80 P80RL556V3BL AR-15 80% Lower Receiver Kit Polymer Black depth mark drill bits for safety selector switch hole pin holes for trigger and hammer trigger The polymer 80% lower receiver for your . Chemicals: Generally, you do not need to lubricate polymer products. It sheared on a line running through the take down pin holes, and the stock clattered to the floor with the buffer tube and the extension socket. Inside the box will be your un-finished frame with the jig to guide you on your quest towards a completed frame. Using two different-sized drill bits that came with the kit, we preceded to drill pin holes as indicated on the jig. 4-5 show a front pin 76, rear pin 78 and a trigger pin 80. You won't need a slide lock spring, it uses a coil springs like Gen 5, and is included. 308 in an 80 percent format. The only thing that stops me from buying a ton of these and going on some crazed clone building spree is the fact is the lack of space in my gun safe. \rYes, the gun is shooting great, I have 75 rounds through it, and it is functioning Polymer80 G150 Phoenix2 AR-15 80% Lower with Jig System - White Frame, Polymer Composite, MILSPEC Buffer Tube Housing trigger pin hole, 3/8” drill bit, safety pin holes: Lay the jig on its right side. The end cap on the recoil spring guide rod just came off and spring went flying when I was fitting slide to frame. Each lower and jig kit comes with the following: 1x G150 Phoenix, Gen2 AR15 lower receiver; 1x 3mm Set Screw Bolt Catch Pin; 1x 5/8in Dowel Pin for Bolt Catch; 1x 3/8in Pistol Grip Nut; 1x 1. 308 parts and accessories on the market today. The drill bit that you're using to go through the polymer isn't made from metal, number one, okay isn't made from metal, number one so when you're doing that you're actually widening this hole, making it bigger, alright again causing the pin to be out of place on the other side it's gonna be a little higher if you do that and then over time So I messed up pin holes with shitty dremel bits. Pix and more to follow. Adapter for standard 80 pin TQFP SMD Parts Part Code: 80PINTQFP Features. To make this 80% lower into a functional firearm, you must drill out the fire control group area and drill the trigger pin and safety selector switch holes. 308 80% lower is designed specifically to Mil Spec tolerances for a high level of interchangeability with other Mil Spec . nothing held back. POLYMER 80 308 80% Lower Receiver and Jig System $ 100. FIGS. Hand Hole Assembly, Polymer Concrete, 12" x 12" 12" Depth, Tier 15, 22,500lb Test Rating, No Logo, One Piece Cover, Straight Wall, Martin Enterprises. Polymer 80 Glock 19 Build Master Pins by Marine Gun Builder. Price - $80 Material - reinforced nylon Finish - integrated into receiver Color - matte black (several other colors available) Rear pocket - completed Trigger guard - integrated Engravings - none Notable features - metal insert for pistol grip screw, threaded bolt catch pin, includes proprietary jig, drill bits and end mill The only extra work I ran into was the front pivot pin detent hole was much too shallow. Quality Made in America Parts to Build or customize your AR-15 Complete AR15 Rifle Kits – AR-15 80% Lowers – 80% Lower Jigs – Rifle Kits and More ADDRESS: 918 Carswell Ave, Holly Hill, Fl. Each set is manufactured from 17-4 stainless steel that is hardened to H900 condition for maximum strength and service life. My 80% is a 308, not AR-15, and is aluminum. . I have milled several of the Polymer 80 ar15 lowers. Type Without Holes Overall Length (Inch) 72 Width (Decimal Inch) 0. Image courtesy JWT for thetruthaboutguns. I pull out my metric bit set and find out the holes are more precisely 3mm and 4mm instead of 7/64 and 5/32. 45ACP) Not all 80% receivers are complete trash, this Type 91 build is pretty rad I think. See Figure A Function Check mine is in black but the insert is in WHITE not red like those pix & my jig is grey not red not that any of that matters. 00 Drill Bit, Safety Selector Switch Hole: 3/8″ drill bit: 1: Drill Bit, Pin Holes for Trigger Polymer 80 G150 Milling Reviews : Get best Polymer 80 G150 Milling With Quality. Those were plagued with problems. Polymer 80 was gracious enough to send one to me for review. 308 80% lower is fully engineered using current finite element structural analysis for reliable, long-term high performance. The one that gives me trouble, me included, is the rear frame. I had to fit it to the frame, kinda a PIA. Polymer 80 trigger issues – Trigger not resetting 2. This plug prevent debris from entering and reaching the trigger assembly and firing pin. 308 in an 80% format. 308 80% Lower Receiver & Jig Includes a jig and all the drill bits. The pistol grip area features a unique no-thread design specific to Polymer80 lowers. M3 Drill Bit- For drilling the Trigger Mechanism Housing pin hole (Part# MKI-Drill-M3, QTY=1). I bought and built a James Madison Tactical lower, and built it as well. For some reason this worries a lot of folks but it is actually extremely easy to install. Cringe O’meter pegged, we have to move onto another possibility. 80%: Completed as a Glock 34: CloseUp of Pin Holes: Polymer80 G150 80% AR lower receiver. 99 Polymer Jig; Drill Bits & End Mill; Front & Rear Steel Rails; Compatible with Gen 3 Glock® 17 and 22 Parts; No FFL is required to purchase this 80% 17/22 frame. Which is also a big problem with our Polymer 80 build. front pivot pin and rear take down pin detent holes can sometimes have polymer burs See full list on guns. That means that one side of the pin is generally higher than the other. Son's opinion was it was okay, but nowhere near as solid as aluminum. The RL556v3™ features Polymer80’s proprietary polymer composite, a solid core design, flared magwell, and beefier mil-spec buffer tube housing. i would have went much thicker and used a longer non-standard sized rear pin in that location. Welcome to the only Polymer80 subreddit, to date. 308 80 percent lower receiver design features a beefed up buffer tube AR-type jigs are used with billet, forged, and polymer AR-15, AR9, or LR-308 80% lowers. What can we say about the new Hybrid-80 Liberator. See Detail Online And Read Customers Reviews Polymer 80 Pin Holes In Wrong Spot prices throughout the online source See people who buy We claim: 1. Set of 8. The Tiger Rock Inc complete lower parts kit is made for the Glock 19 but will also work with Polymer80. The kit includes a AR15 lower receiver and jig, drill bits (trigger pin and safety selector switch holes), end mill bit Bead Pins for piercing holes set of 50 for polymer clay, air dry & metal clay formerly Poly Tools DIY Hair bobby pin polymer clay flowers. 80 Percent, 80 Percent Glock, DIY and How-To, Video 80% / By Jason Schaller Fixing a Polymer80 – Incorrectly drilled holes Our Fixing a Polymer80 video series will walk you through fixing common mistakes when completing the Polymer80 frame. 308 parts and accessories on the market today. Quickly learn how to drill the sea and hammer pin holes for your 80% 1911 project. 304 Stainless Steel . I'd imagine that is the point of failure in this design. So I figured I ought to jump on this bandwagon before it's too late (here in California, anyway). There are many ways to finish a polymer lower, but the best we found was is an expensive piece of equipment. Per the Polymer80 website: “The Phoenix, Gen2 version features Polymer80’s proprietary polymer composite, a solid core design, stiffened magwell and beefier Mil-Spec buffer tube housing. The misalignment of the upper receiver's pin tabs and the lower receiver's holes was evident and could not be fixed without removing significant polymer from the lower, elongating those holes in When you receive your Polymer 80 it will arrive in a neat little black box. 7500 Thickness (Decimal Inch) 0. This plug is designed to close the open cavity at the bottom of the Polymer 80 or Glock grip. 👇Build List & Codes Below👇 Polymer 80 trigger issues – Trigger not resetting Polymer 80 Slide Issues- How to fix a rough slide action How to fit the Polymer80 Rail sections How to fix misaligned holes How to Level the rear rails Custom Glock 19 Magwells that fit Polymer 80 PF940C The pistol grip area features a unique threadless design specific to Polymer80 rifle lowers. Polymer80 is an American firearms parts manufacturer, focusing on so called 80% lower receivers. Polymer 80 Pin Set . In addition to being polymer, their design is jig-less. 5mm; Dimensions: 44mm Length, 44mm Wide, 1. Align the rear part of the triggerguard between the ears. 308 80% Lower Receiver & Jig - OD Green. POLYMER80 GLOCK 17/22 80% POLYMER LOWER RECEIVER BLACK - P80-PF940V2-BLK. The spring stuck past the receiver probably 3/8" when it should have the spring end about halfway in the pivot pin hole as viewed from the side of the receiver. Feels real good. For the record it is a Polymer 80 PF940V2 kit using slide, barrel, and other internals from a G17 Next, you have to drill six total holes. Under BATF this is not a firearm. the first thing I did was test fit it to the upper and the pin holes were not lining up. WE DO NOT REPRESENT THE COMPANY Polymer80! WE NO LONGER ALLOW WTB/WTS/WTT POSTS. This 80% polymer Ar-15 lower receiver is not considered a firearm and is compliant with the gun control act of 1968 as defined in 18 U. The frame is designed to accept Glock 19/23 uppers so you can build your own custom Glock pistol. Do not use any lock-tight on the receiver – regardless of what some internet assembly instructions tell you. Includes. Solid core design and beefed up buffer tube area ensure this lower will last. 2. This is not your average polymer 80 lower, in fact, it is fully engineered using current finite element structural analysis for reliable, long-term high performance. 000 Minus pin might slip in without difficulty. But theirs are a bit different. The first was their GST-9 Build Kit, which, along with their GST-9 Jig and a magazine, allows you to completely finish your own GLOCK(esque) striker fired double stack 9x19mm polymer framed pistol. Polymer 80 INC P80308KITFDE: Polymer80's 308 Warrhogg Lower Receiver Kit features an industrial-strength, injection molded, reinforced polymer receiver with a solid core designed for the DPMS-styled . Industrial strength, finest reinforced polymer material…. Choose whichever bit size first. High-Strength Reinforced Polymer Construction. but i How to Fix a Hole in a Wall. Feel the difference the second you pick it up. Wonder why they don't reinforce the pivot pin holes with metal like they do the buffer tube and grip screw holes. No matter which type of AR you're building, the steps required to finish the 80% lower are the same: Cut or mill the fire control cavity. The Polymer80, Phoenix2, AR15 80% Lower and Jig System Includes the Phoenix2 system. Techniques used for the following Polymer 80 Glock build models:P80 Pf940c P80 Pf940sc P80 Pf940 Details. However, a 1. Polymer 80 Trigger Housing Pin Holes BY Polymer 80 Trigger Housing Pin Holes in Articles Best Price Polymer 80 Trigger Housing Pin Holes Even so, I hope until this reviews about it Polymer 80 Trigger Housing Pin Holes will always be useful. $75. This is achieved through current technology and computer aided manufacturing processes combined with exacting quality control procedures. The included jig system provides an insert for trigger hole drilling, and also includes the necessary drill bits plus end mill bit to finish your lower. Also available with length of (4. Don’t you want the straightness of a drill press so the holes are perfectly straight all the way through the frame? I just built one a few weeks ago. Curious what people think of these for a hunting rifle. I have regular jb weld and the quick dry type as well. Enjoy FAST SHIPPING and SAVE at 80-lower. some nice reinforcing. Kit Includes: AR-15 80% Lower, Set Screw Bolt Catch Pin, Dowel Pin for Bolt Catch, Pistol Grip Nut, Pistol Grip Screw, Allen Wrench, AR-15 Jig, End Mill for fire control pocket, Drill Bit for safety selector, Drill Bit for trigger & hammer pin holes, Drill Bit for pin holes & trigger hole. The pistol grip area features a unique threadless design specific to Polymer80 rifle lowers. This AR 80 lower kit comes complete with a one-time use polymer jig, necessary drill bits and end mills. Do not tap a roll pin in the bolt catch latch hole, USE OUR STAINLESS DOWEL PIN AND SET SCREW ONLY. Just trying to link a measurable size to see if my frame has the hole . The natural elliptical shape of quartz is ideal for casting intricate structures. To do this, you need a pivot pin, a pivot pin detent and a pivot pin detent spring. All the bits to remove material and drill your pin holes will be provided as well. 2. And it was fun. Re: Polymer 80 glock end plate installation I just tried pressing on the firing pin assembly sleeve under the slide while pushing the end plate, still wont go in. And unlike other 80% projects where you have to mill aluminum…this time you don’t even need a drill press. It features Polymer80’s proprietary polymer composite, a solid core design, stiffened magwell and MILSPEC buffer tube housing. You’ll just remove it from the vise and lay it flat. When you buy a stripped slide for your Glock or Polymer80 build, you will find that you need to install a Firing Pin Channel Liner - Glock part number 1148. 62x51mm NATO Material: Polymer Color: Black For Use With: AR-10 Rifle Includes: (1) W308 Lower Receiver, (1) 3/8" Pistol Grip Nut, (1) 1-1/2" Pistol Grip Screw, (1) J100 Warrhogg 308 Jig, (1) 7/16" End-Mill Bit with Laser Etched Depth Mark, (1) 3/8" Drill Bit, Safety Selector Switch Hole, (1) 5/32" Drill Bit, Pin Holes for Trigger and Hammer, (1) 5/16" Drill Bit for Also, polymer is easier to work with than aluminum; finishing an 80% polymer will be much easier than finishing an aluminum one. When using the Modulus jig, you must install a pivot pin in the 80-percent lower. 70” from the face of the jig wall. 5 80% Polymer Pistol Frame our system uses a stainless steel dowel pin and set screw rather than the roll pin that comes 1. The LBRS should be angled forward as shown above. 1. As that higher edge passes under the pin chamber wall the pin is pushed into the bottom of the lowers p80 44585 polymer80 308kitfde 308 warrhogg ar10 platform 308 win762x51mm nato polymer flat dark earth 80 lower receiver kit p80 308kitfde 308 warrhog lwr recv kit 80 850283007117 1148232 polymer80s 308 warrhogg lower receiver kit features an industrialstrength injection molded reinforced polymer receiver with a solid core designed for the dpmsstyled 308 in an 80 percent format the 308 The kit comes with drill bits and the end mill bit that’s required to finish your 80% 308 Polymer Lower project the right way. This receiver is fairly priced as a polymer lower. They added fiber and are using a nylon mix, so I think the buffer tube hole bridge has enough mass to keep it from cracking, but the pivot pin holes are still delicate looking. Tolerances were extremely tight. 8. Which he intends to weld a pin inside. This system is designed as a complete kit. Even better, this pistol grip includes a built in flared magwell for speed loading. For whatever reason, Polymer80 uses inch sized bits, when Glock uses Metric. Movable jaw in 4mm hole. Refer to the photos below for proper identification. They are small and can easily get away from you. G150 and Rhino: How to Instructions What speed should I use when milling my Polymer80 frame or receiver? Polymer 80 Compact Frame Build & 1,000 Round Range Test This entry was posted on July 25, 2017 by Debi Earle We took the Polymer 80 Compact Frame and built a “NAG-19” (Not A Glock) in of course, 9mm. There's NO expensive jig kits and parts to purchase - Polymer80's system is a COMPLETE, all inclusive package in one price! The LR-308 Warrhogg version features Polymer80's proprietary polymer composite, a solid core design, stiffened magwell and beefier MILSPEC buffer tube housing. I guess these things just need to be cycled for a bit for everything to work. May not be a at all relevant, but I would think it should have "some" relationship to Glock frame. 308 In An 80 Percent Format. 000 pin cannot be inserted into it. Inside the box will be your un-finished frame with the jig to guide you on your quest towards a completed frame. 5 80% Pistol Frame • PF940V1. 308 80% Lower Receiver with Jig Kit for your . 8%) quartz aggregate, specially formulated high strength epoxy resin and proprietary additives. Polymer 80 G150 Phoenix V2 80% Polymer AR Lower - Black The Phoenix, Gen2 version features Polymer80's proprietary polymer composite, a solid core design, stiffened magwell and MILSPEC buffer tube housing. My son helped a friend do a polymer 80% AR-15. Polymer 80 points out not to drill the holes in one vertical action using the drill press. the pistol grip has a metal insert, the safety pin Start drilling with the 3/8″ Drill Bit at every 1/8″ hole shown above as Blue. This system is designed as an all-inclusive kit with no expensive jig kits and extra parts to purchase. After two years of planning, design, engineering, and testing, we're proud to introduce the industry's first reinforced polymer receiver designed for the DPMS styled . The rear rails don’t fit. I remedied this by drilling out the hole the rest of the way with a 3/32" drill bit. On a good night, I might run into a pack of hogs and shoot 10-15 shots. There's no expensive jig kits and parts to purchase - Polymer80's system is a complete, all inclusive package in one price! The . Frame showing wear also, locking block pin hole Yeah, I always only drill one side at a time when I’m completing an AR “80%” Lower. I assume the detent hole is too large. The Polymer 80 . We’ve built a couple the past year and all with tons of different triggers, frames, and sights. You are not trying to drive it into the receiver—you’re just getting it started. C. It worked fine for a while, but after about 300 rounds my son set it down on the bench, with the stock hanging off the back of the bench. Detent holes are sized right. To touch on that just a little further, keep in mind, if you have a 1. The Brownells Pivot Pin Tool Kit makes this step very easy. It ain't rocket science. I did the same thing on the Polymer 80 frame. POLYMER 80 INC Polymer 80 INC G150v2 Series Ar15 80% LOW Receiver KT GRY 7/16 End Mill - (1) Drill Bit Trigger Pin Hole: 5/16 Drill Bit - (1) Drill Bit Safety ⭐ Make sure the shop keep your private information private before you buy Polymer 80 Pin Holes In Wrong Spot Make sure you can proceed credit card online to buyPolymer 80 Pin Holes In Wrong Spot in addition to store protects your information from fraudulents Make sure the customer support is often there to aid you when you place Polymer 80 Pin Holes In Wrong Spot order with them Polymer 80 No FFL needed to purchase this item. Combining the slide length and sight radius of a Glock 17 with the compact grip and concealability of a Glock 19. The first on the underside of the polymer 80 frame is quick and easy. Solid Construction; Plated Through Holes; Easy to Replace On-Board; Standard Pin Width - 0. This pin must be soldered to an isolated pad or a pad with the same potential as the negative pole. 80% receivers are almost-completed pieces of machined metal or plastics that are not classified as firearms by the ATF. The Polymer they use is WAY HARDER then previous, burned out 2 dremmels and a drill trying to drill pin holes. Again, drill the left and right sides separately. This in not an FFL item due to the machining still required to finish this product. Each type of problem has a very different solution, the difficulty of which largely depends on the extent of the Polymer is not easier that aluminum and may be fact be much harder because it leaves less room for errors The jig system that Polymer 80 produces is ingenious but still, has some flaws that need to be addressed before being truly useful. I use good brad point bits to drill the holes. I messed mine up because even something idiot-proof doesn’t stand a chance against me. Polymer80 specifically mentions that Lone Wolf Distributors uses some Gen 4 parts in their kits, in spite of labeling them as “Gen 3 compatible. 5/32 drill bit (for the trigger and hammer pin holes) 5/16 drill bit (for the trigger hole) 3/8 drill bit (for the safety selector hole) Polymer vs Aluminum. •Compress spring and detent with the blade of a box cutter knife or use a razor blade. It won't thread itself into the polymer (ploymer's too tough) the stupid hole is too small to just drive a normal roll pin into, and to top it off because of it's location on the lower, you can only turn it about 1/3 a turn at a time with the stupid, tiny allen wrench. Often this material is referred to as polymer concrete, epoxy granite, or a mineral casting. The tapped holes seem a little rough, but the screws do fit. Check to ensure the roll pin is flush on both sides of the receiver. 308 80% lower is designed specifically to Mil Spec tolerances for a high level of interchangeability with other Mil Spec . Polymer is a softer material than aluminum, requiring less effort in the milling and drilling process. The 308 unit is ATF-compliant, well within their defined parameters of a receiver blank. At this time, it looks as though you can purchase the entire jig as individual parts for $4 less than the complete kit. Picatinny/STANAG Compliant Accessory Rail. The poly 80 measures . But…. 921(a)(3). 308 & AR10 80 Lower Jig Sort by Featured Items Newest Items Best Selling A to Z Z to A By Review Price: Ascending Price: Descending Easy Jig Gen 3 Multi-Platform - AR-15, AR-9 and . Part 2 of the Polymer 80 AR-15 Polymer lower build. Unique reinforced polymer design with solid core Parts Required: takedown pin, takedown pin detent, takedown pin detent spring Tools Required: 3/32 drive pin punch •Insert spring and detent into the small hole in the receiver. Polymer80 advises using a hand drill for this operation, not a drill press, in order to align properly with the guide holes in the jig. polymer 80 pin holes