CMMG AR15 Mil-Spec Steel Barrel Nut | 55DA296 Traffic Enforcement or distorting your upper receiver

or distorting your upper receiver by locking directly into the barrel lugs inside the star chamber—where the strength really is

Adjustable fit for most wrists

Backing considerations

5 hours of regulated runtime using two CR123A lithium batteries

CMMG AR15 Mil-Spec Steel Barrel Nut | 55DA296 Traffic Enforcement or distorting your upper receiverOverview of the CMMG AR15 Barrel Nut 55DA296 When you are building or repairing an AR15, one component you cannot afford to get wrong is the barrel nut. It is the critical threaded interface that locks the barrel to the upper receiver, and without a factory spec fit, the entire build is compromised before you pull the trigger. The CMMG AR15 Barrel Nut (55DA296) is a factory original, mil spec steel part made entirely in the USA at CMMG's facility in