![]() I'd be VERY hesitant to do it though, because you're creating more "custom" fits, and basically band-aiding a machining issue. You should easily see where the interference is because the file will leave marks where it's hitting. As upper and lower receivers wear oversize takedown pins would tighten them up. BCM Rear Takedown Pins and Front Pivot Pins are made from AISI8620 bar stock and machined per the USGI TDP for M16/M4 family of weapons. Just because you dont have a use, doesnt make it a bad. BCM® Enhanced Lower Parts Kit for your AR15 Lower Receiver This kit includes all the Mil-Spec quality components you have come to expect from BCM. ![]() The Strike QD pins would be a huge benefit. Even so, its a very snug fit that might require a little more filing if it doesnt break in from use. Fortunately, I had checked on that initially. Once again, put the front pin in and close the upper and lower, then take the rat-tail (round) file and just LIGHTLY pass it back and forth through the hole a couple times. GUNSTOCK 2023 - (23 Days To Go) ARCHIVED THREAD - Oversize takedown pins, Where to Buy. It was a poly lower, which required opening up the hole slightly to get the takedown pin to fit. 248' diameter, allowing you to improve your upper to lower receiver fit, and features early Armalite / early Colt style. The only two options are to either buy a stripped lower and swap all your stuff over, or to use a rat-tail file and GENTLY remove just enough material from the rear hole (upper) to open up the clearances just a bit. 250 pin holes, and items used to push the pins occasionally slide off and can scratch your lower receiver. Mainly determine if it's a front/back or up/down issue. I'd put the front pin in, close 'er up, then take a flashlight or bore scope and see if you can see the misalignment. I don't mean a thousndth or two, but visibly "ovaling" the hole. ![]() I've seen some of their parts where they've literally "hogged out" holes to make them fit. Just for curiosity, who made the lower? I know there's one manufacturer out there that's famous for making out-of-spec shit that only fits their "matching" parts. Overall Length 3.07'(78mm), Dowel Pin Flat w/Spring Loaded Ball, Cylindrical Pin Positioning Pins Retainer Farm Lawn Garden. Definitely sounds like the lower is out of spec.a little. V7 Weapon Systems Titanium Pivot/Takedown Pin Set - BCM Home AR-15 Lower Parts Gunfighting Links American Gunfighter Films Gunfighters V7 Weapon Systems Titanium Pivot/Takedown Pin Set (Black) V7 Weapon Systems MSRP: 32.00 Your Price: 31.04 (You save 0.
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