Gearbox v2 Orion X-ASR / QSC - M4 / M16

Reinforced shell

Ball bearings 8mm

Reinforced steel gears

Piston with steel teeth

Sealed aluminum nozzle 

Double sealed aluminum cylinder head

Aluminum cylinder

Bearing spring guide

Shimmed

Low impedance wiring

Quick spring change system Enter & Convert

GATE Mosfet X-ASR

Spring M100 (7kg)

Condition: Brand New