Features :
- Material: 416 R
- Ultra precise concentricity to the bore
- Lone Rifling technology yields identical grooves
- Twist rate: 1:10
- 11° Target Crown
- Finish: TiCN
- Chamber 9MM Luger
- Threaded: 1/2x28 TPI
- Comes with threaded barrel protector (protector is black nitride