Wells M4 Complete Full Metal Gearbox – Mosfet Version

Ready to dominate the field straight out of the box? The Wells M4 Complete Full Metal Gearbox with Mosfet is the ultimate plug-and-play upgrade for serious gelsoft players looking to boost power, response, and reliability in one go.

Built with a rugged full cast metal shell, this gearbox is pre-assembled with 18:1 precision gears, a sleek Blade-style trigger, and a factory-installed MOSFET for improved electrical efficiency and trigger response. Whether you're upgrading a worn-out setup or building from scratch, this drop-in gearbox delivers high performance with minimal effort.

Wired and ready with a Mini Tamiya battery adapter, the hassle of setup is eliminated—just install and get straight into action. This is a perfect upgrade for both seasoned players looking for dependability and newcomers wanting a serious internal setup without the tech headache.

Key Features:

• Fully assembled, plug-and-play M4 gearbox

• Full cast metal shell for durability

• Factory-installed MOSFET for faster trigger response and battery protection

• 18:1 gear ratio for balanced speed and torque

• Blade-style trigger for a responsive feel

• Complete pre-wired harness with Mini Tamiya connector

• Compatible with most M4-style gel blaster receivers

Package Includes:

• 1 x Wells M4 Complete Full Metal Gearbox with factory-installed MOSFET and wiring harness