AR-15 .223 / 5.56 caliber crush washer insures proper indexing of muzzle brakes and flash hiders. (12 Pieces Per Pack)
Features and Specifications:
Manufacturer Number: ACWA1
No gunsmithing required
Thread flash hider / muzzle brake and torque 15-20lbs.
Ensures proper indexing of flash hider / muzzle brake
Weight: 2.1 oz.