5KU 14mm Threaded Outer Barrel For Tokyo Marui G17 Series 
 
CNC Aluminum Construction
14mm CCW Thread End
threaded muzzle to enable mounting of a compensator or suppressor.
Suitable for Tokyo Marui G17 GBB Pistol
Suitable for Tokyo Marui / Marui System G Series GBB
Able to Attaching any Muzzle Brake or Silencer with -14mm Thread