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Gen 3 Gearbox Set

Gen 3 Gearbox Set



  • Operation: Electric Automatic
  • Firing Modes: Semi-Automatic, Full-Automatic, Safety
  • Compatibility: For Most M4 and M16 AEGs
  • Gearbox: Full Metal Version 2 w/ Quick Change Spring
  • Battery Connector: Deans
  • Battery: 11.1v Lipo Recommended



  • Zion Arms fully programmable electronic trigger unit that can be programmed to shoot in varying burst modes.
  • Built with high strength full metal alloy
  • Rear wired perfect for M4 and M16 AEGs
  • Quick-Change spring system allows muzzle velocity adjustment
  • Comes with cylinder, nozzle, selector plate, and spring guide
  • Includes trigger and integrated small type mini connector
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