CYMA 8mm Full Gearbox with Motor for M4 Ver.2 Rear Line (MA001)


  • Model: AS6178
  • Manufactured by: CYMA


  • CYMA 8mm Full Gearbox Set with motor (Version 2, Rear Wiring).
  • Essential part for upgrading your Airsoft Electric Gun AEG.
  • To build a tight & durable gearbox.
  • 8mm Bearing Enhanced Gearbox.
  • Rear Wiring Switches Set w/Cords.
  • Comes with standard motor.
  • Completed Gearbox set ready to upgrade.
  • Anti-Heat & Anti-Wearing Construction.
  • Suitable for M4 Version 2 Airsoft Electric Gun AEG Rifle.
  • As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed.


  • CYMA model no. - MA001
  • Color - Black
  • Weight - 750g
  • Suitable for - M4 AEG (version 2)
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    This product was added to our catalog on Thursday 27 February, 2014.

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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.