CMMG MK57 CAN BE FUN FOR ANYONE

As CMMG built a brand name partly by supporting and innovating one of a kind calibers in the AR platform, the addition on the five.7x28mm Mk57 short-barrel rifle listed here is probably going only the start.The projectiles would adhere or drag in there as well as the follower would bind. Given that the ProMags don't have any inward-projecting sect