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E&C M4/M16 Rear Wired V2 Upgraded Gearbox

by E&C


  • "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 V2 gearboxes.
  • 8mm ball bearings.
  • Metal air nozzles & Steel cylinder.
  • 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 with metal piston teeth and gear set.


  • E&C model MP049B
  • Rear Wired
  • Material: Metal
  • Compatiblity: Tokyo Marui M4/M16 AEG Series
  • Weight - 590g