HELPING THE OTHERS REALIZE THE ADVANTAGES OF CMMG MK57

As CMMG created a manufacturer partially by supporting and innovating distinctive calibers in the AR platform, the addition in the 5.7x28mm Mk57 small-barrel rifle here is likely only the beginning.The projectiles would stick or drag in there and the follower would bind. As being the ProMags haven't any inward-projecting portion and depart much mo