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


  • Model: AS5821
  • Manufactured by: War Bear


  • War Bear 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.


  • War Bear model no. - WB-001
  • Color - Black and chrome (gears)
  • Weight - 90g
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    This product was added to our catalog on Monday 15 July, 2013.

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