AN UNBIASED VIEW OF CMMG MK57

As CMMG created a manufacturer in part by supporting and innovating unique calibers inside the AR platform, the addition on the five.7x28mm Mk57 shorter-barrel rifle here is probably going only the start.The projectiles would adhere or drag in there and the follower would bind. Since the ProMags haven't any inward-projecting element and go away a