.920 BULL Barrel Thread Protector 1/2-28, Stainless Steel



AR-15 BULL Barrel Thread Protector Nut for 1/2-28tpi, Black Carbon Steel.      Model: BTPR03S

Protects your Barrel's muzzle thread when you have to remove your AR-15's muzzle brake.

- Fits AR-15 Bull Barrel
- Outer Diameter 0.915 IN
- Thread pitch 1/2x28
- Outer width is for bull barrels, not standard barrels. 
- Outside textured for easy hand tightening.