DETAILED NOTES ON CMMG MK57

It’s sleek and exact and assured. And I gotta say, no matter whether you’re a supporter of 5.7x28mm or not, it’s a hell of a fun round to shoot and this is an awesome firearm from which to shoot it.Each ProMags I employed labored flawlessly, plus the manufacturing facility 5-7 mag I'd didn't. I’ll acknowledge my general experience with ProM