jh424Hiperfire 5.56x45mm Hipercomp muzzle device for 1/2x28 thread pitch (standard AR-15 barrel compatibility). Lightly used and has been cleaned, with no blemishes or signs of heavy use. Comes with standard 1/2x28 crush washer. For best results, must be timed so that the compensator's ports are facing 3:00 and 9:00.
