Army Force 8mm Complete QD Gearbox Ver.2 Rear Line for A&K M4


  • Model: AS5905
  • Manufactured by: Army Force


  • "QD Transform" gearbox is a new generation gearbox with all the unique & great features of a STAR / ARES (QR gearbox) and Deepfire gearbox (Micro switch).
  • This gearbox has an unique shell, spring guide, selector plate, cut-off lever and trigger, all other parts are compatible with regular AEG Ver.2 8mm M4 gearboxes.
  • For A&K M4 standard gearbox.
  • Version 2 gearbox with rear wire.
  • Easy power upgrade system.
  • Quick release spring and spring guide for easy power adjustment / spring replacement.
  • Micro switch operation for shorter & better electric range.
  • Faster trigger response design.
  • Featuring "spring release" function.
  • Full metal reinforced chassis / gearbox with metal gear set.


  • Army Force model no. - AF-EX030A
  • Color- Black
  • Weight - 539g
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    This product was added to our catalog on Wednesday 24 July, 2013.

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    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.