NcStar AR15/M4 Muzzle Crush Washers, Black, 3 Pack
AR15/M4 Flash Hider and Muzzle Brake Crush Washers - 3 pack. Includes 3 each Crush Washers in the packaging.
This allows you to properly time your muzzle brakes and flash hiders on your barrel, so that the ports are facing the correct directions for optimum performance.
Steel Construction with Black finish
Outside Diameter: 3/4"
Inside Diameter: 1/2"
Individual Weight: 0.10 oz