Colonel Mustard muzzle brake. The Lightweight Blast Diverter has a slender and highly efficient muzzle brake that is threaded to accept the included screw-on aluminum 'shell' that, when attached, directs most of the muzzle blast and noise forwards! Screws onto standard AR-15 / M4 / M16 ½" x 28 threaded barrels (with .223 / 5.56 bore). Includes removable shell/diverter, crush washer and jam nut. CMMB11XX223.
Part Number: CMMB11XX223