FACTS ABOUT CMMG MK57 REVEALED

As CMMG developed a brand name in part by supporting and innovating unique calibers while in the AR platform, the addition from the five.7x28mm Mk57 limited-barrel rifle listed here is likely only the beginning.The projectiles would stick or drag in there and the follower would bind. As the ProMags haven't any inward-projecting portion and go away