Systema PTW M4A1 Value Kit 1 Upgrade Kit (Ambidextrouse Gear Box, M130 Cylinder)

Systema PTW M4A1 Value Kit 1 Upgrade Kit (Ambidextrouse Gear Box, M130 Cylinder) Package Include: Receiver, Receiver Set, Outer Barrel With Flash Hider Polymer Pistol Grip Metal Stock Pipe M130 Cylinder Metal 30 rds Magazine Fixed Front Sight With Dummy Gas Tube Ambidextrouse Gear Box Motor