EVERYTHING ABOUT CMMG MK57

With several of the exclusive projectiles I'd handy — most notably the massive, 55 grain subsonic rounds from Detroit Ammo Co (not pictured) — the bullet-formed grooves inside the entrance in the FN journal didn’t play nicely.When compared with the muzzle brake checks the FH ones have like one/100th the views. In essence, the quantities donâ€