AR-15 Barrel Thread Protector Nut for 1/2"x28 Muzzle Threading, Black

AR-15 Barrel Thread Protector Nut for 1/2"x28 Muzzle Threading, Black  SKU:  BTPR01

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 barrels, not Bull barrels.  Outside textured for easy hand tightening.