Spikes Tactical Flash Hider A2 9mm Luger - The A2 bird cage flash suppressor is the standard muzzle device of the U.S. Armed Forces and is found on most M4/M16 rifles as well as many AR-15 rifles. 1/2 x 28 Thread Compatible With Calibers Up to 9mm Luger Mil-Spec Heavy Phosphate Finish Mil-Spec Crush Washer
