My BGC is about 200 rounds in on my Colt AR, and I just need to test 100 rounds through the pistol from the BGC of the Colt. Shouldn't be any damage?.. Not like I am running 1000's of rounds.
SHTF vs TEOTWAWKI you ask? SHTF, just some crap on the ceiling and walls, TEOTWAWKI end of the world as we know it. Orignally made by 9mm/®™©