GC1522 made compatible with standard AR upper
u/GeneralCuster75 · 2024-03-21 16:08:36 UTC · score 2
The takedown pin hole (and thus the spring hole) had to be moved since the 15-22 takedown pin is in a slightly different location than the standard AR-15 pin. The same is true for the rear takedown pin hole.
The front takedown pin hole/tab/whatever is actually thicker on the 15-22 as well. The…
u/Beneficial_Trash_596 · 2024-03-24 14:58:24 UTC · score 1
I’ve been trying to find the ‘perfect’ ar22 lower to print and haven’t been able to find one.
I’m running a CMMG bolt, with SW1522 mags. In a milspec lower there is lots of mag slop and other ‘oddities’ - and there are tons of aftermarket ‘fixes’ that could just be modeled into a 3D…
u/kaewon · 2024-03-24 22:08:33 UTC · score 1
The GC1522 is a big fucking mess. I can understand if you wanted to punch a hole in the monitor after modifying it. So I moved the takedown pin location. The only other change from a normal AR is the bolt catch is moved but I see no reason why it can't work there. There are other tolerance and slight out of spec…
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