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Joined
9 mo. ago

  • That's a great question, the bipoly's creator determined that including a hole for a buffer detent would lower strength so there is none, you hold it back while you install the upper.

    Like I said, it makes no sacrifices on strength. My pla version is well over a year old with thousands of rounds through it and I'm not the only person with these results. I think he was on a good path with this one.

  • The bipoly makes no sacrifices on strength, that fixed stock is king as the buffer tower is traditionally a weak point. If you want to run a buffer tube and a collapsible stock, something like the Defiance or SL-15 are more appropriate.

    That said, don't sleep on the bipoly. It's 100% my favorite lower and worth building one for yourself.

  • I had issues with my aves upper, but I don't think the issue was the upper at all, just the printed feed ramp on the glock mag db9 lower.

    The aves upper fires good, but mac uppers don't contain the feeding mechanism so your mileage may vary depending on the build. I'm not familiar with how the pwc9 feeds.

  • That is actually the reason I chose to build this rifle, I shot my brother's 10.5" 5.56 AR with a brake and it blew my eardrums out while I was wearing walker earpro. I'm a big fan of shorty barrels, so I figured this was the cartridge to run with.

    I am friends with pla.boi and will be running his newest breek 30 cal ftn with this setup. I'm gonna load 220grs in the cartridges instead of these factory 125s.

  • PM me in RC, I can send the dl minus the videos

  • They'd spend the rest of our lives examining just the transactions from this year alone.

    Amazon would be a better target lol, they kept suggesting CF tubes, thread adapters, and jb weld combined for a while. I was like quit snitching you bitches.

  • I'd like to see em subpoena mcmaster-carr.

  • To ease your concerns, I work for a company that CNCs glock slides and automotive parts. We don't mess with the lawmen at all. These parts are completely unrestricted and you are just a drop in the pond. If things changed, we'd go out of business. Feds can't subpoena everybody who has ever bought gun parts from every vendor, it's just too wide of a net to cast.

    Now don't try to do this shit in somewhere like NYC, the USPIS cooperates with them.

    On that note, the ATF has reversed course on things like FRTs before, see Rare Breed Triggers and their attempt to confiscate triggers from customers. Know your rights, ask for a lawyer, and don't talk to the police.

  • JFC, that dl is 8.9gb...

    Have you tried the LBRY desktop link?

    edit: I got it to successfully download from Odysee, after unzipping it looks like the vast majority of this size is in the video guide on how to build it. Let me know if you can pull it from lbry desktop.

  • The only thin FTN is the 22lr one, the rest are chonky boys. It comes with the territory of FDM baffles. The 9mm piston can is so fat you can't even use a red dot without some kind of riser :D

  • I'm a bit of a Debian nerd, but Arch is a close second. I never could get into RPM-based distros.

  • I understand now, just a lookalike then. :D

  • To expand on this cause I'm not sure OP is aware of this, the stock rails are embedded into the injection molded frame. Any 3dp lower will require "certain rails" as there is no stock rails to use.

  • With something as stress-prone and tolerance sensitive as 2A components I think it's definitely worth doing. Especially if you modify your printer or use a variety of filaments. Shit, my K1C came basically unusable from the factory. Every upgrade you do requires verification.

    I'd rather fail a test print than a 24 hour print job.

  • Yes.

  • I'm gonna be 100% here, .45acp is a highly unusual cartridge for ARs. If you want a quiet pdw you'd wanna look into 300blk, if you wanna make it bufferless you're going to be hunting into proprietary territory. BCA has a bunch of bolt-action 300blk uppers and that would be a good place to start. CMMG has some for 9x19 and also a great place to start.

    Don't dismiss the buffer though, having a nice long stroke is super smooth and a collapsible stock on a carbine buffer tube with ~8" barrel is surprisingly short. Even a fixed stock with a shorty barrel is pretty compact.

    Same upper with a collapsible lower

  • The way plaboi did it was kinda neat. The can had an internal smooth bore that a production flash can would be hammered into, then pinned inside using steel rods. It was much stronger than threads could be alone.

    If you do dimensional calibration and tolerance testing you should be able to fit down to 0.1mm tolerance

    How much tolerance did you include in the female threads and how much tolerance can you print down to?