5 EASY FACTS ABOUT CMMG MK57 DESCRIBED

In the event the bolt provider moves forward, the bolt rotates and locks the lugs in front of the supporting lug abutments. In the event the team moves rearward, the cam pin forces the bolt to rotate and unlock with the barrel extension.The projectiles would stick or drag in there as well as follower would bind. Since the ProMags haven't any inward