.712 Standard Thread Protector 1/2-36, Carbon Steel, Black

1/2x36 Barrel Thread Protector Nut, Black Carbon Steel              Model: BTPR04

- Protects your barrel's forend threading when you have to remove your AR-15's Muzzle Brake.

- For barrel threading 1/2-36

- Outer Diam: 0.712 IN