Umarex EFCS Complete Gearbox V2 Rear Wire

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  • Regular price $129.00
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Replacement gearbox for rear wired ARES/Amoeba EFCS rifles and other AEGs with a standard V2 gearbox. This is a Amoeba M4 complete gearbox for Gen5 M4 AEG style Amoeba airsoft rifles offered by Elite Force. A fully built and ready to drop-in gearbox with all its parts ready to go.  Fits Amoeba / Ares series airsoft M4 AEGs). Comes with what is pictured. A high quality version 2 (V2) gearbox made by Amoeba.



  • Full metal ARES EFCS gear set with magnet
  • Quick change spring guide
  • Full metal gearbox shell
  • Upgraded blue EFCS circuit board
  • Reinforced full teeth piston
  • Small Tamiya connector
  • 8mm steel ball bearings
  • Electronic trigger for instant trigger response
  • Low resistance silver wiring
  • Drop in installation
  • Polycarbonate nozzle
  • For rear wired Airsoft AEGs
  • Can be used in most AEGs that use a standard version 2 gearbox


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