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This Jam Nut is used in place of a crush washer or shim kit to properly align a muzzle brake. It c..
Features:CNC machined high quality steel construction1/2"x36 Threaded PitchFits: AR-15..
This Jam Nut is used in place of a crush washer or shim kit to properly align a muzzle brake. It..
Part of a Delta Ring Assembly and used to attach the barrel to the upper receiver when using a Drop-..
This Barrel Nut Kit is designed for free float quad rail systems and fits standard AR-15 upper recei..
These 0.32mm stainless steel shims fit between the barrel nut and AR-15 upper receiver to allow for ..
These 0.32mm stainless steel shims fit between the barrel nut and AR-15 upper receiver to allow for ..