CMMG MK57 FOR DUMMIES

As CMMG constructed a brand in part by supporting and innovating distinctive calibers while in the AR platform, the addition in the 5.7x28mm Mk57 shorter-barrel rifle right here is likely only the start.The projectiles would adhere or drag in there along with the follower would bind. Since the ProMags don't have any inward-projecting element and d