LBE Unlimited AR15 rifle crush washer for 5.56 and .223 barrels. Crush washer spacer for rifle build barrel and muzzle devices. Finished in Black. Finish your AR build or use a new crush washer when upgrading your rifles muzzle device or barrel, you should only crush them once so each time you remove/install a new barrel or muzzle device, you should use a new one.
AR15 5.56 / .223 Rifle Crush Washer Available Now