Pro-Arms Aluminum CNC Outer Barrel for Marui Model 17 Gen4 (14mm Threaded)

Pro-Arms Aluminum CNC Outer Barrel for Marui Model 17 Gen4 (14mm Threaded) Aluminum Construction (Lightweight) 14mm CCW Thread Suitable For Tokyo Marui Model 17 Gen4 Series Airsoft Gas Blow Back GBB Pistol