DPMS offers replacement components for the AR-15 that are made to strict military specifications. These high quality components will provide excellent fit and reliable function in your AR series rifle and are perfect for upgrading exisitng components or replacing worn or broken parts. Can be used in place of a peel washer to mount compensator/flashiders. Just place on barrel then thread on comp/flashider and torque to 15-20 ft-lbs, index 0.730" outside diameter
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Nothing to jump head over heels about. But it does do what it was meant to do. The finish seems nice and has held up nicely during the installation. After tightening and loosening twice, the flash hider landed dead center at 15 ftlbs. Overall I am pleased with this crush washer and would buy again for my next builds.