Made to replace the jam nut on the 33 cal 3 port Bravo, Dead Air, Diligent Defense brakes. These are made to replace the aluminum jam nut that originally came with some 33 cal or 3 port brakes.
Made from hardened 17-4 Stainless Steel. Designed to use a spanner wrench to tighten brake to suppressor, ensuring the brake stays tight.
When using spanner wrench, make sure to only tighten to 35-45 inch pounds.
