RUMORED BUZZ ON CMMG MK57

As CMMG constructed a brand name partly by supporting and innovating one of a kind calibers within the AR platform, the addition in the five.7x28mm Mk57 small-barrel rifle here is likely only the beginning.The projectiles would stick or drag in there as well as follower would bind. Since the ProMags haven't any inward-projecting element and go awa