GETTING MY CMMG MK57 TO WORK

It’s clean and precise and self-assured. And I gotta say, regardless of whether you’re a admirer of five.7x28mm or not, it’s a hell of an exciting spherical to shoot which is surely an awesome firearm from which to shoot it.The projectiles would stick or drag in there and the follower would bind. Given that the ProMags don't have any inward-p