5KU CNC Aluminum Type 2 Lightweight BBU Blowback Unit For Action Army AAP 01 GBB Airsoft

5KU CNC Aluminum Type 2 Lightweight BBU Blowback Unit For Action Army AAP 01 GBB Airsoft CNC Aluminum Construction Airsoft Blow Back Unit Stylish Blue Finish that adds a Touch of Personality to your Gear Design For Improved Blowback Action of Your Airsoft Pistol Suitable For Action Army AAP 01 Gas Blow Back GBB Airsoft Pistol