With many of the exceptional projectiles I had useful — most notably the large, fifty five grain subsonic rounds from Detroit Ammo Co (not pictured) — the bullet-formed grooves during the entrance on the FN magazine didn’t play properly. The rotating bolt allows pressure inside the barrel to fall https://cmmgmk5788529.smblogsites.com/30796248/a-secret-weapon-for-cmmg-mk57