Purpose: A crush washer is primarily used when installing a muzzle device (such as a flash hider, muzzle brake, or compensator) onto the barrel threads. Its main purpose is to allow proper timing/indexing of the device so it faces the correct direction, while deforming under torque to create a secure, tight lock that resists loosening from recoil.
It is typically a soft metal washer that is single-use and should be replaced if the muzzle device is ever removed.
Crush Washer Flash Hider Muzzle Brake 10 Pack
This set includes 10 Pieces of your selected size and color.
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