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.