THE 2-MINUTE RULE FOR CMMG MK57

As CMMG developed a model partly by supporting and innovating one of a kind calibers during the AR platform, the addition of the 5.7x28mm Mk57 quick-barrel rifle listed here is probably going only the beginning.The projectiles would adhere or drag in there as well as follower would bind. Given that the ProMags don't have any inward-projecting elem