Action Army CNC Mamba Upper Receiver Kit B For AAP-01 GBB

Action Army CNC Mamba Upper Receiver Kit B For AAP-01 GBB CNC Metal Construction Include Upper Receiver, Compensator, Front & Rear Sight 20mm Picatinny Rail on Top & Bottom Suitable For Action Army AAP01 Series Airsoft Gas Blow Back GBB Gas Blow Back GBB Pistol Airsoft Guns Length:260mm