Here's my new Black Rifle Arms upper using their C.A.P.S. piston system. I had this one build in 6.8 SPC. BRA uses a short stroke piston system with an adjustable gas block that has 4 settings: normal, suppressed, adverse, and over-gassed.
Talk about your favorite longguns here.
1 post • Page 1 of 1
Who is online
Users browsing this forum: No registered users and 1 guest