1/2x28 BULL Barrel Thread Protector - 0.915" OD - Stainless Steel [BTPR03S]

AR-15 BULL Barrel Thread Protector Nut for 1/2x28, Black Carbon Steel [BTPR03S]

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 Diameter 0.915"

- Outer width is for bull barrels, not standard barrels. 

- Outside textured for easy hand tightening.