GETTING MY CMMG MK57 TO WORK

It’s clean and exact and confident. And that i gotta say, no matter whether you’re a enthusiast of 5.7x28mm or not, it’s a hell of a fun spherical to shoot and this is surely an great firearm from which to shoot it.The two ProMags I employed worked flawlessly, plus the manufacturing unit 5-7 mag I'd didn't. I’ll admit my general expertise w