NOT KNOWN FACTUAL STATEMENTS ABOUT CMMG MK57

As CMMG built a brand name in part by supporting and innovating special calibers inside the AR platform, the addition in the five.7x28mm Mk57 brief-barrel rifle below is probably going only the start.The projectiles would adhere or drag in there plus the follower would bind. As the ProMags haven't any inward-projecting part and depart a lot more c