G&P 8mm Bearing Rear Wiring Complete Gearbox Set for M4 AEG Rifle (Dean Connector)

G&P 8mm Bearing Rear Wiring Complete Gearbox Set for M4 AEG Rifle (Dean Connector) Metal Construction Rear Wiring Dean Connector Includes 8mm Bearing Gearbox, 8mm Bearing, 8mm Selector Plate, Cylinder, Metal Cylinder Head, Metal Nozzle, Metal Spring Guide, Piston Head, Piston, Steel Gears, Tappet, High Flux Electronic wire & switch, Metal M4 Cocking Handle, Magazine Catch, Bolt Stop, Trigger Guard, Selector Suitable For M4 Series AEG Rifle Airsoft Guns