VFC ECS Complete Gearbox Gen 2

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Replacement gearbox for VFC M4/M16 and other AEGs with a V2 gearbox. This high quality Version 2 gearbox comes fully built and ready to drop-in your favorite AEG, and features an Inline Wired MOSFET and Blade Fuse. The integrated Quick Change Spring System makes it simple and easy to upgrade or replace the spring mechanism within this gearbox.


  • Compatible with VFC M4/M16 and Other Version 2 AEG
  • High Quality VFC Rear Wired Gearbox
  • Reinforced Polymer Internal Components
  • Inline Wired MOSFET and Blade Fuse
  • Blade Style Straight Trigger
  • Quick Change Spring System
  • Match Grade Internals
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