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  • AR 9mm Barrel Thread Protector Nut for 1/2"x36 Muzzle Threading, 0.712", Black

    $2.99

    AR 9mm Barrel Thread Protector Nut for 1/2"x36 Muzzle Threading, 0.712", Black  SKU:  BTPR04

    Protects your 9mm 0.712" Barrels fore end threading when you have to remove your Muzzle Brake.  Fits Standard 9mm Barrel threading 1/2"x36.  Outer width is for standard barrels.  Outside textured for easy hand tightening.   Carbon Steel.