This is a fully UPGRADED Gen8 Nylon Gearbox.
All shimming, greasing, and wiring done.

What’s in the box:
– STRONG QUALITY NYLON OUTER GEARBOX SHELL
– ALLOY PISTON HEAD (O-RING UPGRADED)
– METAL 18:1 GEARS (PERFECTLY SHIMMED)
– SHS POLYMER PLUNGER / STEEL TEETH
– METAL AIR TIGHT CYLINDER HEAD
– METAL O-RING AIR TIGHT NOZZLE
– ALLOY BEARING SPRING GUIDE
– METAL ANTI-REVERSE LEVER
– DOUBLE TORQUE 460 MOTOR
– METAL PINION MOTOR GEAR
– COLOURED STEEL CYLINDER
– STRONG RETURN SPRING
– 10AMP OMRON SWITCH
– STEEL BUSHINGS
– NYLON TRIGGER
– NYLON TAPPET
– SILVER WIRING
Please Note: Gearbox does not come with fire mode selector option