Aim Sports ACWA1 Crush Washer 223 Rem,5.56 NATO AR-15 Steel Black

AR-15 .223 / 5.56 caliber crush washer insures proper indexing of muzzle brakes and flash hiders. (12 Pieces Per Pack)

•  No gunsmithing required
•  Thread flash hider / muzzle brake and torque 15-20lbs.
•  Ensures proper indexing of flash hider / muzzle brake