CMMG MK57 CAN BE FUN FOR ANYONE

As CMMG created a manufacturer in part by supporting and innovating special calibers while in the AR System, the addition of the 5.7x28mm Mk57 quick-barrel rifle listed here is probably going only the start.The projectiles would adhere or drag in there and the follower would bind. Since the ProMags don't have any inward-projecting component and le