The Nine Ball Non-Recoil 2 Way Outer Barrel is designed for the SIG AIR P320 M17 gas pistol. The outer barrel features a 11mm clockwise inner thread and a 14mm counter-clockwise outer thread adapter, when not in use, a 11mm CW tread-cover is also included.

This outer barrel is also designed to mitigate inner barrel wobble as it is a fixed barrel, this will increase the gun's accuracy.

Threading: 

• 14mm CCW 
• 11mm CW

Compatibility: 

• SIG AIR P320 M17 Gas Pistol

Includes: 

• x1 Nine Ball Non-Recoil 2 Way Outer Barrel
• x1 14mm CCW Adapter for SIG AIR P320 M17 GBB - BK
• x1 Muzzle plate
• x1 Body Pin 2×12