DETAILS, FICTION AND CMMG MK57

The difference can be an angled rear corner on Every of the locking lugs that matches up with an angled corner inside the barrel extension’s lugs. The rearwards drive in the fired round leads to the bolt to rotate alongside All those angles until finally it unlocks and every thing cycles rearwards.ARMSLIST isn't associated with transactions among

As CMMG built a brand in part by supporting and innovating exclusive calibers within the AR System, the addition of the 5.7x28mm Mk57 quick-barrel rifle in this article is likely only the beginning.ARMSLIST is NEVER involved with transactions between events. Critique our privateness policy and terms of use for moreJeremy is TTAG's Deputy Editor, D