u/Gabbs · 2022-06-23 22:13:09 UTC · score 36

Things have changed a good amount since my last update. After the live fire test several issues came to light such as the ejection port being in the wrong place which required changing a good amount of things and threw off the proportions for the UMP look so I sort of just dropped it for the most part. It also tur…

u/AlbertBaresActinCapo · 2023-07-05 13:12:38 UTC · score 1

That was me. My account wasn't old enough to be eligible to comment.Anyway, here's the original comment:

APC10 bolt weighs 26.5oz/\~750g according to the Military Arms Channel review.

General industry practice seems to be 10mm simple blowback bolts weighing the same as .45 ACP bolts…

u/Tiny_Measurement7068 · 2025-02-06 15:14:35 UTC · score 2

Yeah, the shield mags work great once I polished the inside of the magwell a bit. It took a little hand work to get everything to fit perfectly & function reliably. I had great results using NylonX and PA612-CF from Polymaker. PA612-CF comes out slightly more matte and a bit stiffer, …