ZEV Technologies Muzzle Device 5.56 1/2x28 - ZEV ZMD556

The ZEV Muzzle Device is designed for 5.56 NATO/.223 Remington rifles with 1/2x28 threaded barrels and provides dual benefits of flash suppression and muzzle rise reduction. The device features wrench flats for easy installation and extends over the barrel shoulder to provide a uniform appearance while covering the crush washer. Compatibility is limited to barrels with a .750" or smaller gas block journal.