AN UNBIASED VIEW OF CMMG MK57

As CMMG constructed a brand name partially by supporting and innovating special calibers during the AR System, the addition from the 5.7x28mm Mk57 quick-barrel rifle below is probably going only the start.The projectiles would adhere or drag in there and also the follower would bind. Given that the ProMags don't have any inward-projecting section