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Lancer Tactical Complete M4 Proline Gearbox Set

Lancer Tactical Complete M4 Proline Gearbox Set



The Lancer Tactical Complete M4 Proline Gearbox is a factory replacement Proline series complete gearbox. This gearbox is a direct drop in replacement into any Lancer Tactical rifle. This gearbox comes with the Lancer Tactical electronic flat trigger that is quicker and more responsive than your traditional pressure padded triggers. Not only can this complete gearbox be used in Lancer Tactical airsoft rifles, it can also be used in other frames and guns that uses a standard Version 2 gearbox.



  • Brand: Lancer Tactical
  • Operation: Electric Automatic
  • Firing Modes: Semi-Automatic, Full-Automatic, Safety
  • Compatibility: Fits most M4/M16 Frames
  • Gearbox: Full Metal Version 2 w/ Quick Change Spring
  • Battery Connector: Tamiya
  • Battery: 9.6v Nunchuck NiMH Recommended



  • Electronic flat trigger for instant trigger response
  • Polycarbonate nozzle
  • Drop in installation that makes it easy to replace or upgrade from an old gearbox
  • Can be used in most AEGs that use a standard Version 2 gearbox
  • Full metal gearbox shell
  • Quick change spring guide that is easily accessible
  • Reinforced full teeth piston
  • 8mm steel ball bearings
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