Ultimate Arms Gear Pack Of 5 AR-15 AR15 AR 15 M16 M4 .223 5.56 Rifle 1/2"x28 Thread Steel Crush Washer For Barrel Flash Hider Choke Suppressor Muzzle Brake Compensator
Pack of 5 crush washers - Use this crush washer during the installation of a flash hider, muzzle brake or compensator on a barrel to guarantee proper fit and indexing of an aftermarket muzzle accessory.. Just place on the barrel, then thread on your compensator / muzzle brake / flash hider and torque to 15-20 ft-lbs. Quality steel construction can be used either together with or instead of peel washers when mounting muzzle devices.