RUMORED BUZZ ON CMMG MK57

As CMMG crafted a model partially by supporting and innovating exclusive calibers while in the AR platform, the addition from the 5.7x28mm Mk57 shorter-barrel rifle right here is probably going only the beginning.The projectiles would adhere or drag in there along with the follower would bind. As the ProMags don't have any inward-projecting compon