THE CMMG MK57 DIARIES

As CMMG crafted a brand name in part by supporting and innovating unique calibers while in the AR platform, the addition in the five.7x28mm Mk57 shorter-barrel rifle right here is probably going only the start.The projectiles would stick or drag in there and the follower would bind. Since the ProMags have no inward-projecting portion and go away a