Gearbox v2 QSC - M4 / M16

Reinforced shell

Ball bearings 8mm

Reinforced steel gears

Piston with full steel teeth

Sealed aluminum nozzle 

Double sealed aluminium piston head

Very well sealed cylinder head

Chrome cylinder

Metal bearing spring guide

Shimmed

Quick spring change system

Spring M105 (7,5kg)

Condition: New