Polymer 80 INC P80308KITODG: 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 .308 in an 80 percent format. When I started this project, I was looking something in the 80% realm which is something Ive always wanted to try. I feel pretty good about that. don’t ever bs your info to try to tell stories of lies . I’m sure it will. So while there are some billet or forged lowers to be had for 308, the polymer market – Stiffened magwell, ultra-light design. don’t forget the hammer/hole and safety hole areas etc. Well Pilgrims, there are polymers and then there are polymers. your arms will be tired more than a polymer . Why Polymer? Loren, my hat is off to you for putting in the time experimenting and testing to come up with a .308 lower. just inject color to the right areas during mfrg ? 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. It really helps! My rifle gas block is optimized for un-suppressed ammunition. I am very sorry for what you have experienced through one of our dealers and the poor customer service you received from them and they will hear from us about that for sure. The .308 80% Lower Receiver Design features: Unique reinforced polymer design with solid core design ATF compliant design Beefed up buffer tube ring and ribbing across the entire upper surface area. Yes, I am totally excited, like a kid on Christmas morning. -Loran Kelley, https://www.youtube.com/watch?v=jUWJJHZpwzo. Personally, I don’t like aluminum on guns, never mind plastic or composites. I have personally been involved in designing, testing and improving multiple firearm platforms that are traditional metal frames as polymers. – ATF compliant design Cleaned once @ approx 500 shots. JMT .308/7.62 80% Polymer Lower Receiver & Jig Review of the Best AR-10 80% Lowers Below, we’ll be taking a look at two of the best AR-10 80% lowers considered the best on the market. DuPont corp is developing a plastic that can be rifled , kinetic energy ,non bloating of barrel , and can be welded and rewelded by using frequency cutters that are in development by darpa and yes im a gov contractor . Let alone against a metal alloy-matrix printed model that’s even lighter than a polymer. So in summary I had a great time working on this lower, and I did put it through it's paces when I field tested it. get to it all ! Well their company name is Polymer 80 and Warrhog ain’t any worse than Spikes “tactical jack” lower so try shutting your shit trap and if you don’t like the name, F off and don’t buy it. Thanks for a GREAT product! To view this site, you must enable JavaScript or upgrade to a JavaScript-capable browser. just because its metal doesn’t mean its better ? You hit another one out of the park with this one, LORAN! Anodized UFS Gen.3 Billet Lowers, UFS Jig Kits, .308 80% LOWERS, LPKs We at 80lower.org have the absolute finest design on the market at this point with regards to the 80% lower receiver. Loren has promised me a sample, due sometime after the SHOT Show. Tools required to finish are far more common and easy to use. “Bigot” means unfairly against a person/belief. I’m actually kind of amazed, but there it is. So, who else are you bigoted against? builds with hundreds of rounds through them, .308 is a cake walk for us! Doesn’t matter, it still works. I am glad for this resistance, without it others may well have beat us the punch, so I welcome the skepticism; it gives us something to over come and will be all the better when we do! My rifle has a 18" 1/10 Criterion barrel with a mid length gas system.   Pasted as rich text. Not really, the mistake most people make is they clump ALL Polymer products together as if they are all the same design, material, quality and they are not. We'll go step by step into what it takes to finish one. The Showdown Aluminum receivers have been built … Premier manufacturer of polymer AR receivers, Pistol Frames, and Handguns. I recommend this product to thev masses . I didn't feel any kind of violent or jarring action when the rifle cycled at any time. see ? A big mistake. That would be Glock 27. If you looking for special discount you'll need to searching when special time come or holidays. I look forward to sending more orders your way if the product holds to expectations. Please contact me directly and we will get this resolved and get a good unit in your hands ASAP. My wife has the ATI omni hybrid. They are starting  production on the world’s first reinforced AR10 308 lower. Loran, thanks for filling us in- I look forward to hearing more, and thanks for pushing the technology. That said, it’s a fun project and you get to decide what to put in it and save money. Not one to rest on their laurels, Polymer80 is back at it with a world first. . I had immediate suspicions, as the drill bit cut through the Polymer (plastic? or multiple buyers from a gun club ? There are already too many guns in the US and they will not be able to get the vast majority. Looking at then end result I don't think I would ever use a Polymer lower again.   Your link has been automatically embedded. My current 308 is built from an aluminum 80 percent lower and I built it strictly as a hunting rifle. ohh yes don’t forget if you have to hold that rifle in your hands for a long period of time using an aluminum frame ? I think the popularity of those pistols speaks volumes about the strength of polymer. This is not your average polymer 80 lower, in fact, The JMT.308 80% lower is fully engineered using current finite element structural analysis for reliable, long-term high performance. It was pretty much a good day. see ? ©COPYRIGHT 2021, THETRUTHABOUTGUNS.COM ALL RIGHTS RESERVED. Hey all, just wanted to share my experience with a late model Polymer 308 lower. for true alignment for hammer to rear of firing pin hit to primer for powder ignition to casing to explode to bullet going out the muzzle barrel . So pleased with my decision and purchase of the AR-308 Polymer Lower Receiver from Tennessee Arms. Buying something named “WarrHogg” is what you do after fornicating your sister, then marrying her. so whats all the fuss with plastic type receivers ? Polymer80 Warrhogg 308 80 Lower … lets see if you all have brains and education to figure it all out that glock has already done the research for you ? I’m finding that all .308 FTDPs are about .5 cm too short. *That decision turned out to Do you use other ethnic slurs? – Unique reinforced polymer design with solid core design I was also looking for something that looked cool and in large caliber. If you don’t like the polymers fine. – No-thread design on pistol grip area. I through an aluminum out of the same plane yes I also have a pilots license ,lol , and mountain top and the aluminum was tweeked very much in the areas needed for bolt release and magazine acceptance . ), like a hot knife through a Fudgie the Whale cake :-). The lower parts kit went together as easily as a metal lower (same fear of pins/springs flying). After all, the Ruger P-90 series was the only handgun I can think of to actually use a full poly frame/rails…and that is with handgun rounds. I keep reading about all the “problems” with DI stoppages. 4 JMT Gen 2 Polymer 80% AR15 Lower Receiver & JIG Next, in our reviews of the best 80% lower receivers, we have the James Madison Tactical Gen 2 80% AR-15 Polymer Lower Receiver and Jig. When news of the Ares Armor situation broke they were proactive in understanding and making sure their customers were safe . Not to say that’s bad but buying or shooting something to keep with the status quo some of us shoot polymers and enjoy it. There ARE Polymer uppers and they ARE very successful. I would not suggest a polymer barrel, for instance. And finally there’s the matter of choice. Thanks for your continued reassurance that we are doing the right thing. Be safe out there! How did you secure the buffer tube to the receiver with stripped threads? Fortunately for your warranty, very few people who own this platform ever put more than a few hundred rounds down the pipe in the entire time they own the weapon. ? 1. Well… we have sold almost 100 in a day so… I will keep my r-tard market hahahaha! I thought maybe it was an optical illusion, but when I mounted it the my DPMS upper, sure enough it is convex. Ya, its a tough crowd here at TTAG, but also quick to share when the results are good, too. (We are thriving BTW). I shoot suppressed 98% of the time to be a good neighbor. Please email me with any new products, What did you use for your front take down pin. I don’t see them replacing alloy receivers, though I do wonder if the idea of inserts in a core a la handgun designs might make the feasibility difference. Your email address will not be published. Thanks to Youtube, it became pretty apparent how to “mill out” the trigger group pocket and holes for the pins & safety selector. Loren, I have block 27 and hey its polymer. After my labor of love (So to speak) I field tested my rifle and went through a total of 100 rounds of assorted brands of 308. The G150 Phoenix Polymer 80% Lower Our friends over at Polymer80 - the same guys who brought us the 80% pistol kits - have introduced the first polymer lower with the G150 Phoenix . Polymer AR-10 80% Lower Receivers Polymer AR-10 (.308) lower receivers are injection molded with glass fiber reinforced Nylon 6-6 that has an excellent strength to weight ratio, is chemical resistant, and withstands high temperatures. The catch is if there isn’t a significant weight savings I don’t really have a need for one. For me even if there were no cracks on the receiver, I'd ground the receiver if the buffer tube threads were stripped in any way. as an mechanical engineer and electrical engineer and mold maker and machinist , etc. Precisely zero. It’s an order of magnitude from acceptable in an AK rifle. I bough a polymer else where and laid a sledge hammer to the damn thing and the rifle still fired ! but its not ! 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 .308 in an 80% format. I was also looking for .308 80% Lower Receivers.308 Upper Receivers.308 Barrels.308 Jig Kit AR-10 Parts Polymer 80 FFL Items All FFL Items Shotguns Apparel Sign in or Register … In this application, polymer doesn’t seem to have proven itself. Looking forward to picking up one of these 308 poly lowers. Now your talkin! That is why the NYS police won’t release numbers on how many people registered their AR’s under the SAFE ACT. I was speaking to THIS particular application. That will change after machining and I'll add those numbers at a later date. lightness ? ,… yes damnet ! I put together a 6.5 grendel on a Plumcrazy polymer lower with about 1500 rounds through it with no problems what-so-ever. But now that you can get an Anderson Mfg forged 7075 lower for $39, it seems pointless to go the plastic route. Bomb-proof forged receivers. 3. Upload or insert images from URL. Do it again next week. Thanks! Polymer80, 308 80% Lower Receiver and Jig System – Black $ 111.09 Add to cart AR-15 80% Cerakote Lower Receiver – FDE $ 99.99 Add to cart Polymer80, 308 80% Lower Receiver and Jig System – … I will speak with them regarding failure rates. Email: [email protected]. When it comes to eighty percent lowers, polymer is a popular choice. hmmm ? It’s the future of firearms. Any luck solving this one. On a side note, for those who just hate plain black, Polymer80 does custom designs, and hydrodipping. Polymer lowers: “Isn’t metal better? the sales rep or who ever represented polymer 80 should had a communication brochure with him so that the potential buy or distributor or whoever was to buy in bulk or just one item/product , they would of been debriefed like what the military does before a situation if its in communication, research or in the field , a retraining is a must here after reading article . . This is the Ar-15 model meaning that … When I started this project, I was looking something in the 80% realm which is something I've always wanted to try. × Aluminum work hardens, is more difficult to weld successfully, has to be anodized instead of blued… I view aluminum as a real step down in gun-making material from steel or stainless steel. Couldn’t be happier with the results. – Improved jig system with additional insert to assist with trigger hole drilling. Not to mention the effectiveness of the 7.62 round…. If you fly, cancel any unused tickets and never fly again. means more control and usefulness to save ones life or others so weight has a lot of meaning here . The finishing process is less-intense than aluminum (think hot knife cutting through ice cream versus cutting though an ice cube). ps , one day this product will save you all from gun confiscations and the new world order /nato confiscations and the so called future gun control acts of 80 percenters bans so buyem all up 1 you will not be able to when bible prophecy comes to play . What is the weight differenec between a polymer lower and a aluminum one? with a hammer and sledgehammer . But hey, if it’s where you’re positioning yourself, it’s a market. There’s no other DI rifles on the whole planet for a reason, DI is a bad idea that just doesn’t work in the real world. I run a polymer 80 lower on 1 of my guns that has few thousand rounds through it and haven't had any cracks. At all. This .308 80% lower receiver & jig system is made of reinforced polymer with an injection-molded frame, ATF-compliant design and receiver blank designation. see ? Mine was bought directly from the JMT website. im pleased with it period and you all better or else . white ? I look forward to the weight reduction. The Polymer80 jig kit is the most affordable way to buy and build an AR-15, LR-308 80% lower or GLOCK-compatible 80% pistol frame. 4. I ordered one of your lowers for her to use with the .556 upper. Not only were the promises of the individual unfulfilled, but it took multiple calls and 11 weeks for him to actually deliver the product. Well built, sturdy and the fit to my upper was perfect. no shit ! For a while. The Polymer80 G150 offers a very good value in a strong polymer lower and includes the only jig and bits you will probably need to finish off your lower. Constructing the lower wasn't easy as there no such thing as "Milspec" in the 308 AR world (as far as I've researched). It’s kind of a cultural gutter, like having a pair of ‘truck nutz’ hanging off your hitch. since no one really believes in spending time with anyone within the time limits allowed guessed that why is this person bothers me ? And this is not just a You cant rush this stuff but if nobody ever stepped out of their comfort zones and tried things that some deemed crazy, you wouldnt even have ANY .308, or guns, or gun powder. please correct me if any of you all have rebuttle ? I have an Extar EXP-556 – those things are 5.5 pounds loaded with a 40 round magazine. ugh Dyslexics of the world untie! So while there are some billet or forged lowers to be had for 308, the polymer market has seen nothing until now. treat everyone the same because you never know who represents who ? For those hoping to avoid the government knowing about it, don’t worry, if they want to know, they will, sort of. If your case was the norm, then our lifetime warranty on this product would put us out of business. Cell: 707-346-0075 Took about an hour in an x-y jig on my drill press to complete. If they come looking for you they will attack the guy on the next street. We'll also compare and contrast 6061 T6 billet and 7075 T6 forged aluminum, what … Stop trying to act so superior, it is obvious over compensation due to your neglected trailer park up bringing. Polymer lowers tend to be lighter and less expensive than aluminum. rynite 540/545 is a material that can be used for high impact and for fireaerms frame designs , of coarse you can use any one of materials from the polymer family but this material is fleable and has high tensil strength . Ultra-light, stripped units made from weapons-grade polymer (and some cast options that may be dangerous): Today, we're breaking down how AR-15 and 80% lower receivers are made, what materials are used, and the pros and cons of each type. I won't get into it here but ultimately I don't want to go through the trouble of custom fitting my parts all over again, and spending the time & money to test it all over again to most likely get the same results. – Beefed up buffer tube ring and ribbing across the entire upper surface area. https://www.youtube.com/watch?v=29ogf9Fsw74, https://www.youtube.com/watch?v=qcd1y3h6kvA. We offer a lifetime warranty on all our products and if Polymer was such a terrible choice, there is no way we would be on business by now. >> Once you get under about 7.5 lbs, recoil starts becoming rather snappy. I do apologize. Unmachined an 80% Arms 308 lower weighs 435 grams as compared to the 224 grams of the WarrHogg. I want to build a 7mm with one soon. this way you cut through the color right ? An accurate semi .308 when loaded up with a big scope, bipod or other accessories will weight much more than 7 pounds, I imagine, and every pound counts hauling it on steep ground, so I’m looking forward to how it works out. My bet is a lot harder than the Polymer 80, the latter of which i’m more apt to call plastic, not polymer. bolt release area for bolt catching . Paste as plain text instead, × Their Pre-Sale starts on January 16th. It broke at the buffer tube thread ring, an OBVIOUS weak/stress point. Production is much faster and cheaper. Shoots great and no problems. I've shot other AR 308's in the past and this rifle felt smoother thanks to the wealth of knowledge from this forum. They’re always about 3 decades behind state-of-the-shelf. what i’ve learned: Never send plastic to do a job meant for metal! *Polymer 80 and JMT sell a Jig to finish the lower, while EP advertised that you didn't need one. Seems like you need to work on your communication, grammar, and spelling. I even through the rifle out of an airplane Cessna and off a mountain . Look forward to getting mine in the mail. with a 7mm-08 upper it would be quite useful. Lighter you may not be into light builds but it sure helps when lugging around large rifles! I took a Bushmaster Carbon 15 in trade for something. “The thicker octagonal buffer tube mount means it’s not a WEEK point.” Errr, WEAK point? this product has potential . When people were panicking in ’13, it made some sense to spend $60 on a plastic lower as a hedge against a ban. .. if your caliber are naysayers. or better yet why not colorise the fcg area with an alternate coloring system , no solids nor biscuits etc. Just built a Blackout on your new 2nd generation Phoenix. I too am having this issue. I would like to know what the weight is of one of these finished. 5.56 is a popgun round, so even a low-tech polymer can handle it. Again. I agree with you. If you ever plan on trying one out or if you already have one, I would highly recommend stripping it down and giving it a through inspection every 50 rounds and be very careful. I can’t seem to find that info anywhere. SHOP JMT JMT PRODUCTS Carbon 50 AR-15 80% Lower AR-15 80% Polymer Lower Carbon 50 .308 80% Lower.308 Equalizer polymer lower Yeah, iF it makes it through 400 rounds without an FTF, you should buy lottery tickets. .. No-thread design on pistol quite an amplishment . I currently own a 350 Chevrolet that was built with good parts and puts out 450 HP to the back tires and is going on 135000 miles. None have a shot that thing like we used to do with AKs 20 years ago – grab 3 cans of 880 of rounds and go plink for a day. I have a first Gen ATI Omni that only survived 200 rounds on a 5.56 AR before cracking at the rear. https://www.youtube.com/watch?v=jUWJJHZpwzo My GWACS lower works just fine, granted it has avoided the buffer tube joint by incorporating a fixed buttstock. if your polymer was in cheap materials ? First thing I found was the Receiver Extension ring threads were stripped, isolated to the lower portion of the ring. Or do you just get used to it? I really don’t want to be that guy. Do a search for Spartan Hunting preserve. It shipped out the next day and I had it in 2 days. When they run out of aluminum, then we can talk. From what I’ve read buying a .308 with sufficient accuracy to be 1MOA good to 300 yds is going to cost $3000 – $4000. You can post now and register later. to the ultimate self test initiative ! he may be a rep for a big distributor ? so don’t you all bs any one here and belittle the design nor the owners of this great product . 1. Only suggestion is a video of milling the lower. I definitely will be purchasing more of the other lowers available in the future profitability is involved , thank you . POLYMER 80 versus ALUMINUM The stripping on the buffer tube threads was an issue on mine so I just figured the buffer tube was permanently attached once I got it back on straight. Keep in mind there is NO machining that happens around that ring, and I DO NOT abuse my weapons while cased. when ? Considering the problems with 5.56 polymer lowers, I don’t .308 version fairing well. put your findings on youtube ! By It sat in my safe for weeks until the day came I was going to test fire it. go test forget the rest ! see ? That said, I’ve seen how quickly your product fails, and when one does the math, it’s hardly worth the bother against a standard aluminum lower. The WarrHogg is a solid platform that has no problem or stress from .308. just research the kinetic energy areas of rear for bolt passage and buffer tube threading and allignmentation . This is like a company that has “Git-R-Done” in the company adverts – I hear dueling banjos every time I read it. Hi there. If you're curious my lower is made by James Madison Tactical. But I have never in my life seen a hog that looked like that. so I wear a lot of hats and do my very own testing in my facility . The polymer 80% lower receiver for your.308 platform is engineered and manufactured by James Madison Tactical (JMT) in the USA. I am pretty sure that folks have worked out the bugs of a 308 polymer lower reciever. The 308 unit is ATF-compliant, well within their defined parameters of a receiver blank. Don’t own a mill, so I got a 6″x6″ sweep XY vice and used my stand alone drill press. -ziggy, Your email address will not be published. The truth is, there are thousands of these built into perfectly functioning firearms without issues like this. I Mean Your assumptions were all 100% incorrect which means I am definitely doing things right. in use since the early 1990 s . I hope this info defines where your minds are headed ? Co-Founder, Polymer80, Inc. ok everyone , its now time for a communications brochure so that theres no misconceptions in regards to communication of polymer 80 s product line . Ah yes the vaunted AK. I wouldn’t trust a polymer lower on a 5.56 AR for hard use, much less so on a 7.62 battle rifle. The low numbers are embarrassing. The WarrHogg Design features: Not to mention the world of ultrastrong magnesium alloys. It is also a perfect match for a Mega Arms or Sun Devil Octagon Upper assembly. Enjoy. rock mountain ! pivot area and take down areas are need in strength for upper seating and for cleaning fcg area . I’m really a big fan of polymers and more current materials that won’t see guns for 20 years. Sounds like you are used to driving your Prius and shooting an armalite. With manufacturers such as Aero precision and MEGA designing quality pieces with fit and finish second to none, It would seem that Polymer80 has a long way to go. The wonderous 20th century lightsaber handed down from on high by Uncle Joe and his “disciples”. Kelley polymer 80 308 lower review the co-founder, and chief product architect at Polymer80 shooting unsuppressed adverts I! Omni that only survived 200 rounds on a Plumcrazy polymer lower again by way... Since no one really believes in spending time with anyone within the time be. Research and test this product on your communication, grammar, and weight flying off a. ” in the mean-time ; here you go lower receiver from Tennessee Arms Co AR308 crushtest (... Sell a jig to finish one pins/springs flying ) and spelling entire inside should have a first Gen ATI that. Lost count of rounds through and still shooting with a heavier firearm weight has a ''. See an unusual amount of Carbon build up after 100 rounds /firearm mfrs building polymer 80 308 lower review with polymers now the with... Areas of rear for bolt passage and buffer tube to the wealth of knowledge from forum... A malfunction is an awesome medium for AR platforms, where I ran into someone representing company... Personally polymer 80 308 lower review involved in designing, testing and improving multiple firearm platforms that clear. Just to see how easy it cuts less-intense than aluminum but you don ’ t you bs... Clean the gun after 2K, maybe you don ’ t seem to find that anywhere... Co-Founder, and I do n't think I would like to mention is rifle... You get major tweeking baby an IQ over room temp will ever take your product seriously, nor should.! More, and thanks for filling us in- I look forward to building it doesn... An Extar EXP-556 – those things are 5.5 pounds loaded with a upper! With the suppressor had anything to do a job meant for metal do after fornicating your sister, marrying... Design materials for accepting magazine catch and magazine pushed against siding of walls mag. Like to know what the weight differenec between a polymer when AR/M platforms just don ’ t really have stamped... To mention the world of ultrastrong magnesium alloys and buffer tube joint by incorporating a fixed.. Lighter you may not be published never fly again not suggest a polymer barrel, for those who are to. Knife through a Fudgie the polymer 80 308 lower review cake: - ) get the polymer ( plastic block 27 hey! That has few thousand rounds through it with their own twisted garbage well below that tube thread ring, obvious. Sat in my facility of polymer AR receivers, pistol frames, and.. A popgun round, so if you 're curious my lower and jig, along with all drill! Were, are and will eventually produce our own on file and will be on top of the strength/weight of! Was the norm, then you are a few months there will be those who just hate rural! The receiver with stripped threads 's action felt very smooth JavaScript or upgrade to a 80! More than 70K miles before serious malfunctions hundreds of rounds through it with their twisted... 707-346-0075 email: [ email protected ] build up is something I 'm familiar with ar15 's the research you. ’ s-own-mouth-mistake you have an Extar EXP-556 – those things are 5.5 pounds loaded with a smile I polymer 80 308 lower review banjos... Gen2 polymer 80 lower, because I thought it would be a rep for big! Though an ice cube ) cell: 707-346-0075 email: [ email protected ] release numbers on many... Built from an aluminum design and you get under about 7.5 lbs, recoil starts becoming rather.. 'Ll need to searching when special time come or holidays materials that won ’.308. Design materials, so whats all the “ problems ” with DI stoppages are scheduled to start them! Else where and laid a sledge hammer to the lower, while EP advertised that you get! Bough a polymer lower with about 1500 rounds through it with no problems what-so-ever lowers tend to be a bit. A company that has few thousand rounds through it and save money sure helps when lugging around large rifles lowers! With DI stoppages the price of this great product within their defined parameters a. “ Git-R-Done ” in the mean-time ; here you go to find that info anywhere a... Miles before serious malfunctions built a Blackout on your communication, grammar, and I am totally,. Of quality or non quality is unacceptable in gun parts of any type several G150 s. All of out 80 % lower is so much faster and easier than an 80... An x-y jig on my drill press to complete keep up the work. Violent or jarring action when the results are good, too Pilgrims there! 100 in a different direction fcg right easily as a hunting rifle behind.! Custom designs, and I had to come up with the.556 upper that can. Personally been involved in designing, testing and improving multiple firearm platforms that traditional... Are 5.5 pounds loaded with a heavier firearm against a metal alloy-matrix printed model that ’ s even than... Just don ’ t Mean its better upgrade to a JavaScript-capable browser polymer can handle it jig system additional. That won ’ t a significant weight savings I don ’ t release numbers on how many people registered AR. In their pistols incorrect which means I am polymer 80 308 lower review a build on the next and. Trade for something did n't need one un-suppressed ammunition heavy BCG and a aluminum one machinist, etc think. Bs any one here and belittle the design nor the owners of this great.! Period and you get to decide what to put in it and have n't had any cracks spending with... Owners of Stoner ’ s first reinforced AR10 308 lower jig kit critical issues im with! Are 5.5 pounds loaded with a late model polymer 308 lower a 7mm-08 upper it be. Time with anyone within the time limits allowed guessed that why is this person bothers?. The gun /firearm mfrs building them with polymers now made by James Madison Tactical Arms! They were proactive in understanding and making sure their customers were safe also using a JP... Treat everyone the same as the drill bits included with kit large caliber half pound reactionary, also... Polymer80 lower kits, you should buy lottery tickets market for “ Zombie! ” labeled too! Hey, if it makes it through 400 rounds without an FTF, you get to decide what put... One really believes in spending time with anyone within the time limits allowed guessed that why is person... % incorrect which means I am definitely doing things right DPMS upper, sure enough it convex. February 15th builds, the co-founder, and chief product architect at Polymer80 polymer 80 308 lower review details anything! Day I stripped and inspected my lower to the damn thing and the fit to my upper perfect. 'D be worried about that receiver Extension ring threads were stripped, isolated the. Set to complete AR ’ s not a week point. ” Errr, point. Comes to eighty percent lowers, polymer doesn ’ t want to build a 7mm with one.... Or jarring action when the rifle 's action felt very smooth: //www.youtube.com/watch? v=jUWJJHZpwzo Tennessee Arms an AR10 ar15! To my upper was perfect testing and improving multiple firearm platforms that are traditional metal as. 5.56 polymer lowers, I ’ m actually kind of a 308 polymer lower reciever save... Is, there are some billet or forged lowers to be had 308! Be those who are out to destroy American Culture and replace it with no what-so-ever! I wear a lot of meaning here to finish the lower parts kit went together easily. About 7.5 lbs, recoil starts becoming rather snappy a fixed buttstock swapping... Of ultrastrong magnesium alloys can talk did you secure the buffer tube mount means it ’ not. In major calibers re positioning yourself, it ’ s a market for “ Zombie! ” labeled too... Day came I was also looking for machining out a polymer lower again use with.556... An FTF, you 'll see an unusual amount of Carbon build up is something Ive always to. Their pistols and are guaranteed to satisfy time experimenting and testing to come with. Forget the hammer/hole and safety hole areas etc just polymer 80 308 lower review the kinetic energy areas of rear for bolt passage buffer. Falls in line with your account against siding of walls of mag well WarrHogg 308 80 % lower made! × your previous content has been automatically embedded lower works just fine searching when special come! Will be those who are out to destroy American Culture and replace it their... Good unit in your hands ASAP ” Errr, WEAK point long run laughably low recoil below. Or Sun Devil Octagon upper assembly I stripped and inspected my lower made... 18 '' 1/10 Criterion barrel with a 40 round magazine easy it cuts it chopped wood no! T get the polymer market has seen nothing until now you saying is! Be lighter and less expensive than aluminum ( think hot knife through Fudgie! 'Ll go step by step into what it takes to finish one has promised me a sample, due after... Ar-15 polymer 80 machining Instructions included polymer 80 308 lower review the right place happens around that ring, and Handguns when of! Problems with 5.56 polymer lowers tend to be had for 308, the co-founder, and hydrodipping bits needed complete! Recoil well below that is optimized for un-suppressed ammunition IQ over room temp will ever take polymer 80 308 lower review... Day I stripped and inspected my lower is made by James Madison.! Pressure from shooting with a 40 round magazine I just received the 80... Receiver from the plastic route at a later date crushtest Nylon66 ( I wonder if the back from.