FACTS ABOUT CMMG MK57 REVEALED

As CMMG designed a manufacturer in part by supporting and innovating unique calibers while in the AR System, the addition with the 5.7x28mm Mk57 small-barrel rifle here is probably going only the start.The projectiles would stick or drag in there and the follower would bind. Given that the ProMags haven't any inward-projecting element and go away