JP Enterprises 1/2-28 Crush Washer - Black Carbon

JP Enterprises 1/2-28 Crush Washer - Black CarbonOur Double Crush Washers are the way forward. Thanks to a JP original design and careful metallurgy, your next comp installation can be quick and painless. These washers auto-center and provide smooth, consistent crush without struggle. Each is good for close to 1 1/2 turns for just-right timing.FeaturesProvides consistent torque level through entire rotationGreater than one full turn after contact to time any muzzle deviceExpand in crushing which prevents binding on threads for easy removalTight fit to OD of threads which helps center the part on the barrelSuperior cosmetics due to symmetry and flat profile after crushingUS Patent Number 100,041,753