5 TIPS ABOUT CMMG MK57 YOU CAN USE TODAY

With a few of the special projectiles I'd useful — most notably the massive, fifty five grain subsonic rounds from Detroit Ammo Co (not pictured) — the bullet-shaped grooves within the entrance of the FN magazine didn’t Perform properly.The projectiles would stick or drag in there as well as the follower would bind. As the ProMags don't have