Z-Parts CNC Aluminium 14.5inch Outer Barrel for Systema PTW M4 (Type 1)

Z-Parts CNC Aluminium 14.5inch Outer Barrel for Systema PTW M4 (Type 1) CNC Aluminum Construction 14mm CW Thread Engraved Realistic Makring on Surface Suitable For Systema PTW M4 Series Rifle Airsoft Guns