AR15 223 Menace Muzzle Brake

CALIBER: .223 Exit hole .250 inches Thread Pattern:1/2-28 RH Length: 2.230 inches This muzzle device is threaded 1/2-28 RH for AR variants. Looks great and features obvious tactical advantages! NOTE: This device should be installed by a competent gunsmith to ensure concentrically and clearance at exit hole. Machined from top quality steel and finished in black oxide. Counts as 1 US922r compliant part.