5KU Aluminum Type C Outer Barrel For Action Army AAP 01 GBB Airsoft Pistol

5KU Aluminum Type C Outer Barrel For Action Army AAP 01 GBB Airsoft Pistol Aluminum Construction Airsoft Outer Barrel When you remove the Barrel Screw Cover there have a 14mm CCW Thread, allows you to attach a wide range of compatible Muzzle Devices Suitable For Action Army AAP 01 Gas Blow Back GBB Pistol Airsoft Gun