ABOUT CMMG MK57

As CMMG constructed a model partially by supporting and innovating unique calibers inside the AR System, the addition of your five.7x28mm Mk57 quick-barrel rifle below is probably going only the beginning.ARMSLIST isn't associated with transactions involving parties. Assessment our privateness plan and terms of use for moreJeremy is TTAG's Deputy

The real difference can be an angled rear corner on Each individual of your locking lugs that matches up using an angled corner during the barrel extension’s lugs. The rearwards drive with the fired round causes the bolt to rotate along People angles till it unlocks and all the things cycles rearwards.ARMSLIST isn't involved in transactions conce