JP ENTERPRISES AR-15 .223/9mm Double Crush Washer SS

We've been installing comps with crush washers since the debut of the original Recoil Eliminator. Every one has been a pain to work with and little better than a "necessary evil." There had to be a better way.Our 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.Features:Provides 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 crushing For .223/5.56/ most 9mm: 1/2"-28 UNEF / 1/2"-36 UNEF Inner Diameter: 13mm Features: Stainless Steel polishedProper hardness to ensure ease of installation and reliabilityMADE IN THE USA