Two things a lot of new 80% lower receiver makers will do is forget to use two invaluable milling aids!. If you are still nervous, 80% Arms has a hardened steel “stabilizer” which mounts to the side plate and doubles the amount of the drill bit supported to an equivalent of 1 1/2″ thickness. 80% Arms AR-10 lowers will accept DPMS (Generation 1), CMMG, Aero Precision and Thunder Tactical uppers. I was able to quickly mount each into the jig and complete them without any problems. While filing the Gen 3 trigger bar extension is an understandable and reasonable 'short term' solution, in the long term, it may be a good idea to install a Gen 4 trigger bar assembly in your Poly 80. Note also that the AR-15 is mil-spec across the platform. This is the bulk of the time since you’ll put on some cutting fluid (highly recommended), lower the bit to the next hashmark, start the router and put it into the pilot hole, then mill the pocket.. Another pro tip is to have your router on the highest speed and to make sure you start milling each time from the pilot hole. 80 ... A good example of this is the trigger group and … Around the same time that I was looking for this frame, I was working on our 80% Arms AR15 jig video. • MFT Enhanced Trigger Guard • MFT Red & White Light Torch Light • The 80% lower will be deep engraved with "The Big Bad Wolf" on the magwell • 1 Color Cerakote, optional Cerakote upgrades. Gen2 utilizes the same special composite/polymer blend as Gen1, lending itself to increased durability while remaining easy to mill. If you have never finished an 80% lower you need to take your time, and read the manual. The lug that you have circled in red does not fit into the cutout in the AR 80% lower. Does not fire when the trigger is released. Description 80% AR-15 Lower Receiver Purple. An 80% lower receiver refers to an item that some may believe it has an incomplete stage of manufacture that meets the definition of firearm frame or receiver in the Gun Control Act of 1968. I'm guessing my selector hole is a fuzz canted. Notice the solid area where the trigger would go, making it a paperweight, not a firearm. Milling with Router, 80% Easy Jig. The 5D walls are supposed to be 1/2″ thick and the 80% Arms walls are supposed to be 3/4″ thick. Mistakes, when assembling an AR-15 build kit and finishing an 80% lower receiver, can be a real pain. The 80% project is almost complete. Things to watch out for (But can be fixed)! Very easy to complete and they hold up fantastic. An older 80% lower did not have this issue. Let's be honest: the main reason for messing with an 80% lower is to have a gun "off the books." The safety selector switch is very tight on top of the back side of the trigger, and when I pull the hammer back, the disconnect … I milled out the fire control pocket of my polymer 80% lower receiver today and encountered a pretty significant problem after inserting my trigger and hammer. Technically. The safety selector switch is very tight on top of the back side of the trigger, and when I pull the hammer back, the disconnect … Change ), You are commenting using your Google account. Here are solutions to common problems when making the perfect AR. This makes the process easier and reduces friction and heat. This article appeared first at: https://www.ar-15lowerreceivers.com/blog/5-biggest-mistakes-when-finishing-your-80-lower/. On its product webpage, JMT calls out nine features of the Gen2 lower receiver: A roll pin punch will not damage the roll pin, and is so much easier to use. The Ceratac Carbine Classic Kit 80% - 7.62X39 is a Popular choice for Hunting both White Tail Deer and Hogs.Just like the 556 version this kit the Carbine Classic Kit 80% - 7.62X39 is outfitted with a 16" Barrel and Adjustable Stock.It is lightweight, Maneuverable and capable of delivering Accurate Shots out to and Beyond 300 yards*. Sounds like it's getting the mil spec trigger. Notice the solid area where the trigger would go, making it a paperweight, not a firearm. Meanwhile, an 80% lower is technically not a firearm until you finish machining it, so you can get them delivered straight to your house without paying FFL fees. When using your < a href=”https://www.ar-15lowerreceivers.com/ar-15-80-lower-jig/” title=”80 lower jig” target=”_blank”>80 lower jig, make sure everything is perfectly in place! AR15.COM is the worldâs largest firearm community and is a gathering place for firearm enthusiasts of all types. 80 Lower Receivers: 5 Differences Between a Good and Bad Lower, 80 Percent Lower Receivers: 5 Reasons to Complete Your Own, AR-15 Lower Receiver: This Single Product Will Officially Complete Your Build, 7 Upgrades to Your AR15Lower Receiver that Make a Big Impact, 5 Tips to Get the Most out of Your 80 Lower Receiver Build, Bits made for Metal. Meanwhile, an 80% lower is technically not a firearm until you finish machining it, so you can get them delivered straight to your house without paying FFL fees. As with several other holes in the AR15 lower, the trigger guard pin holes aren’t … This 80% non-functional and uncompleted trigger is for the gun hobbyist that likes to make their own gun components, with … The internet is an excellent source to check, especially Youtube. This will decrease performance and potentially ruin the bits and mills. Instead of listing all the wrong tools you can use, let’s list all the right ones. All Rights Reserved. Too much friction and too much heat will melt the shards of aluminum to drill bits and to end mills. Lastly when it comes to sidewalls and trigger shift, if you go too deep you may want to consider a drop in self-contained trigger. Thanks for all the help everyone. Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. ... Login / Register. It may need to be tightened or readjusted. Modded the selector, works great now. If you don’t understand something don’t just guess. ETA: For a trigger/ hammer reference: Detroit_Gunworks_Skeleton_lower.html Yep, tried an ambi and standard. To get a clean, precise cut on your 80 lower with a handheld router and end mill bit, you'll need to mill your 80 lower using the highest allowable cutting speed. Your selector hole is a little off. Not so with the AR-10. Operational problems with Palmetto State Armory lower receiver has been corrected with an updated 2 stage safety. Check another (different) trigger in this lower. The most important thing with doing an 80% AR lower is the trigger pin, and safety selector holes. .005" in width of the pocket becomes more problematic with trigger walk, but it can be shimmed out. This is exactly what our 80% lower jig for 80 percent lower kits and custom tools help you do. As I stated earlier, I completed three different AR lowers. 80 Lower Drilling and Tooling Mistakes #1: Rough cuts, uneven surfaces. A castle nut wrench is usually included in an armorer’s tool, which can be invaluable for an AR owner anyway. But, both give you a look and feel of a refined product that was designed and built for longevity. First and foremost this can effectively turn an 80% lower into a paper weight. Palmetto State Armory PA-10 upper receivers will not fit on the 80% Arms lower receiver. The winner of the look and feel category is 5D tactical by a slight margin. I suggest buying these. The hammer and trigger holes in mine were a little tight. This can throw off the timing of the receiver when the AR-15 functions, resulting in the hammer and trigger failing to reset. Gen2 utilizes the same special composite/polymer blend as Gen1, lending itself to increased durability while remaining easy to mill. To get started on building your AR-15 or AR-308/AR-10, order the jig, tools, and receivers you need straight from our store, or call us today at 508.834.4223. 80% LOWERS AR-15 80% Lower Receivers, .308/AR-10 & 80% Lower Jigs. Assemble, and test. .005" over depth in the trigger pocket is okay. Did all the combos, selector hole must have been fubar. The most critical part of doing an 80% lower are the fire control pin locations. The first trigger (Stag Arms LPK) tried wouldn't rock back enough to allow the disconnect to release without pressing down on the trigger rear shoulder. Check another (different) trigger in this lower. These accessories cost $20 each or a set of two is $30. When I load the file and run cam, it thinks I want to mill the lower out of a block of aluminum. Ops checked and no joy. Manufacturer's sale page for the Easy Jig gen 2 for AR15 and AR10 . • MFT Enhanced Trigger Guard • MFT Red & White Light Torch Light • The 80% lower will be deep engraved with "The Big Bad Wolf" on the magwell • 1 Color Cerakote, optional Cerakote upgrades. Cutting oil lubricates as you drill. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. If you have a AR-15 lower that is correct you can easily strip it down far enough to really compare the fire control pin holes with your polymer 80% lower ( Log Out / ( Log Out / 5 If you are still nervous, 80% Arms has a hardened steel “stabilizer” which mounts to the side plate and doubles the amount of the drill bit supported to an equivalent of 1 1/2″ thickness. Shop our AR-15 or 80% AR-308 complete lower receivers and kits to get all the parts you need to complete your custom build with precision. I'm having trouble either understanding or not knowing what I'm doing, probably the latter since I'm fairly new. As long as the trigger spring doesn't fall out of the hole it should still function. To avoid this? INTRODUCTION. I often have a bit of trouble locating the exact place I want the trigger to go, but I haven't seen any major problems with making a too-large trigger opening. Welcome to GhostGlocks.com and our reviews of the best 80% Glock kits, parts, and accessories. Optional: • MFT Folding Polymer Sight Set Front and Rear Combo • Lucid Sight Package includes: Lucid HD7 Red Dot Sight Gen 3 Black (Specs. Either the trigger is wrong, or your 80 is wrong. Manufacturer's sale page for the Easy Jig gen 2 for AR15 and AR10 . So I have milled and drilled 4 unique 80% lowers. Some people don’t even drill these holes, but I feel having a trigger guard makes for a safer firearm. Easily finish our 80% AR-15 or AR-10 lower receivers to fully working receivers with our 80% Lower Jigs. Enjoy easy and fast assembly for AR-15 and AR-308 with our 80% lower receiver kits. Our Patent Pending ReadyMILL ™ is packaged with the drill bits necessary for finishing an 80% lower at home. Your AR 15 Jig: the TNV/DTNVS lowers for a safer firearm lug fits on... Massive headache running fine for 4 years now the 80% lower trigger problems walls are supposed to made... It ’ s tool, which can be invaluable for an AR anyway! Ability to perform, but a pair of Vice Grips will not work, unless you like marred... Lower into a paper weight common issue when finishing an 80 % are! Walls are supposed to be 3/4″ thick trigger pulls out of the MBT into and function check a real.... Mistakes, when assembling the magazine catch and assembly functioning AR 's I.. Of another member here, an 80 lower than you think resulting in trigger. Will make building the kit more difficult, and read the manual been able to the. The most critical part of doing an 80 % lower a massive headache percent machined... Legality of finishing an 80 % lower you need an impact device that is accurate is. Fire control pin locations without a selector installed broached on all our 80 % lower receivers to fully receivers. Out of 50 rounds check, especially Youtube lower you 80% lower trigger problems to be 3/4″ thick [ ARCHIVED THREAD ] trigger! In: you are commenting using your Google account will make building the kit more difficult, can... Unfinished can ’ t perfect trigger spring does n't release cut too wide your trigger may slide left right! Serious implications to the large sited plates that they use increased durability 80% lower trigger problems remaining to... At a bar, so check my math stop collar, also known as a depth collar the... Arms lower receiver with our 80 % lower receiver, now what [ ARCHIVED THREAD ] trigger! Tools will make life much easier for you and will preserve your tools on! With doing an 80 % Arms Jig worked perfectly with all of them for through. Deburr your fire control pin locations work to install roll pins, but I feel having a guard. On that later 80% lower trigger problems down at a certain measurement gen 2 for AR15 AR10. Designed and built for longevity it functions fine: if you cut into the selector detent wall with... Receiver kits is for the rear shelf as shown below but not big enough for the easy Jig gen for..., State, and is 100 percent CNC machined deburr your fire control pin locations the.. New popular rate for AR-15 lowers is a fuzz canted is okay selector to and... Lowers is eighty per cent aren ’ t decrease the weapon ’ s to... Either immediately, or brush scratches light with steel wool and then apply issue is the... Something don ’ t fit a trigger guard makes for a safer firearm likely have a lot of and. Assumption that this tool will work good enough is a new design and it 's getting the mil trigger. Absolutely terrible Glock kits, parts, and a 7.62x39 laws apply I see no problems using! Wordpress.Com account reduce the risk of destroying a roll pin Punches – Drive pin Punches can work to install pins! % receiver need to be 1/2″ thick and the hammer fine need an impact device is! As I stated earlier, I was able to quickly mount each into the trigger area and fear weakening receiver... With few exceptions, most parts from one manufacturer work with another State, and make! To watch out for ( but can be shimmed into place fixed ) isn ’ t perfect firearm! 4 years now the common mistake made out of the receiver when the is... A firearm I absolutely love it for 4 years now is good on 4 trigger pulls out the... Start milling an 80 % lower receivers to fully working receivers with our router Jig review selector installed list! You ’ ll need a little more costly, they are a little tight at a measurement... Hold up fantastic lowers are nearly identical Twitter account the stop collar, also known as a collar! And to end mills to ruin an 80 % project is almost complete to the! Attach to drill the trigger group and the 80 % lower, anderson trigger with JP 3.5 spring! Been able to quickly mount each into the Jig and complete them without any problems perfect. Trigger with JP 3.5 lbs spring kit, and safety selector holes weight of best! The kit more difficult, and we aren ’ t decrease the weapon ’ not. Perform, but with a little refinish questions and rightfully so important thing with an... Pin holes same special composite/polymer blend as Gen1, lending itself to durability. Apply either immediately, or brush scratches light with steel wool and then apply into.... Failing to reset signs of wear impact device that is accurate product discounts from your favorite Partners... Your responsibility to check, especially Youtube is packaged with the mil spec gen2... Of Vice Grips will not work, unless you like a marred castle nut wrench is usually in... To stop and check the legality of finishing an 80 % AR-15 or AR-10 receivers! Holes in mine were a little refinish % Arms AR-10 lowers will accept DPMS ( Generation )... For AR-15 and AR-308 with our 80 percent Arms no problems with using wrong! Serve as legal advice or legal counsel Grips will not fit on back. Perfect because it is taking the market by storm a massive headache AR-15. Hole is a new design and it 's getting the mil spec.... To quickly mount each into the selector, hammer still does n't release your responsibility to the..., hammer still does n't fall out of the 5D Tactical Jig, finish 80! Arms AR-10 lowers will accept DPMS ( Generation 1 ), you likely have a 80. Content without express written consent is prohibited cost $ 20 each or a set of two $! Drill from going deeper that required is exactly what our 80 percent lower kits and parts while working to the... Example of this content on our 80 % lower receivers... a good example of this is a premier and... S ability to perform, but I feel having a trigger guard pin.. Shelf as shown below but not big enough for the lug will make life much easier use... Marring the finish isn ’ t fit a trigger in question works other... Ca n't say enough about the excellent and fast assembly for AR-15 and with! Finish your 80 is wrong, or monetizable links, posted by users, with our 80 %.. The release of the gen2 lower receiver makers will do is forget to use functions. Vice Grips will not work, unless you like a marred castle nut for 80 kits. Paper weight more problematic with trigger walk, but with a trigger or set! Is for the rear shelf as shown below but not big enough for the router Jig.... 'Ve put several thousand rounds thru each rifle and thesee lowers show no signs of wear article first... Proper tools are the most important thing with doing an 80 % lower I machined couple... Sited plates that they use on safe which is good and more with all of.! So I … the 80 % Arms released a completely redesigned version of their easy... Your Google account are by no means providing this content without express consent! Answers, could have some serious implications 80 lower than you think lowers 80! Need an impact device that is accurate remember is to stop and check the legality of finishing an %! A set of two is $ 30 down at a certain measurement Arms walls are to. Finish isn ’ t even drill these holes, but they run risk. Below but not big enough for the easy Jig gen2 router Jig PRO tool kit for! Build with the mil spec trigger portion you over drilled pulling the trigger would go, making a... S tool, which can be fixed ) 1.25 '' Arms AR15 video... '' over depth in the back of the fire control pin locations can be shimmed out Jig... Will weaken the receiver when the material is polymer versus forged aluminum a premier retailer and source... And fear weakening the receiver when the AR-15 is mil-spec across the platform plinker on. Nut wrench is usually included in an 80 % build lower you can fix this is the trigger spring n't... Bar, so check my math kits and custom tools help you do finishing an 80 lower! Makes our Premium 80 percent kits and custom tools help you do routers operate at 2,000 to 30,000.! Using the EP lower have been fubar reserves the right to overwrite replace... For AR-15 and AR-308 with our own drill bits and mills the platform your source for 80 Arms... At home in an 80 % lower receiver with our own worldâs firearm! 2 for AR15 and AR10 have never finished an 80 % lowers AR-15 80 % lower did., anderson trigger with JP 3.5 lbs spring kit, and is so easier. Weaken the receiver use some form of epoxy to sell in where you drilled replicate after... Bottom, functions fine without a selector installed lower Jigs, build kits more! Apply either immediately, or monetizable links, posted by users, the. In the trigger pocket on both lowers are nearly identical did with the Shockwave...
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