I have a BCM 11.5" SBR that I built. It has an M16 BCG, and all the other standard stuff. I am now running an H3 and it runs suppressed and unsuppressed 100% thus far. That's with Hornady 55gr. steel case TAP, Swiss RUAG M193, LC M855 and PP 75gr. match.
YMMV.


Reply With Quote
Bookmarks