Replace Marui's original gears with this upgrade high speed gear.
Suitable for airsoft electric gun with version 2 & 3 gearbox.
High speed type would increase rate of fire, best use with higher voltage battery, make them suitable for high torque spring.
Drive ratio: 16:1.
Suitable spring: M110-M150.
Recommend battery voltage: 12V or above.
Full Metal gears.
Weight(Gram):86 (With Box)