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  • AR-10 .308 Barrel Thread Protector Nut for 5/8"x24 Muzzle Threading, Black

    $4.99

    AR-10 .308 Barrel Thread Protector Nut for 5/8"x24 Muzzle Threading, Black.  SKU:  BTPR02

    Protects your Barrels fore end threading when you have to remove your AR-15's Muzzle Brake.  Fits Standard AR-15 Barrel threading 1/2"x28.  Outer width is for standard type barrel thickness, not Bull barrels.  Outside textured for easy hand tightening.