Army Force Speed-Up Gear Set for Gearbox Ver.2/3 (18:1)


  • Model: AS3631
  • Manufactured by: Army Force


  • Army Force airsoft electric gun AEG upgrade parts series.
  • 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: 18:1.
  • Suitable spring: M110-M150.
  • Recommend battery voltage: 12V or above.
  • Speed-up type.
  • As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed.


  • Color - Black and chrome (gears)
  • Weight - 86g
  • Add to Cart:

    This product was added to our catalog on Monday 18 April, 2011.

    Follow Us: Facebook YouTube we accept
    Disclaimer: All airsoft guns, gas blowback guns, spring guns are NOT real firearms. All airsoft guns sold to US customers are affixed with an orange tip permanently.