WR Jam / Half nut 1/2”x28

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JAM NUT - for muzzle brake clocking. - Hex nut, 2 threads deep (apprx 5mm (0.195") thick). - Using a jam nut to clock a brake is the BEST method. NOTE: WR do NOT recommend using the integrated nut method on many brakes is nice and convenient, but due to rigidity and an massive increase in modulus of elasticity.