9mm 1/2x36 Thread Protector - 0.712" OD - Black Carbon Steel [BTPR04]

9mm Barrel Thread Protector Nut for 1/2"x36 Muzzle Threading, 0.712", Black.  SKU:  BTPR04

Protects your 9mm 0.712" Barrels fore end threading when you have to remove your Muzzle Brake.  Fits Standard 9mm Barrel threading 1/2"x36. 

Fits Barrel threading 1/2"x28. Outer Diam: 0.712"

Outer width is for standard barrels.  Outside textured for easy hand tightening.   Carbon Steel.