HPA Gearbox shell

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HPA gearbox shells

HPA gearbox shells form the structural base of an HPA airsoft replica. Unlike traditional AEG gearboxes, they are designed to house HPA engines and withstand high-pressure air systems.

What is an HPA gearbox shell?

An HPA gearbox shell allows the installation of an HPA engine while ensuring proper alignment, stability and reliability. It removes mechanical stress associated with AEG gears.

Compatibility

  • V2 / V3 formats – M4, AR15, AK and similar platforms
  • HPA engine compatibility – PolarStar, Wolverine, GATE, Mancraft
  • Drop-in or custom builds

Why choose a dedicated HPA gearbox shell?

Using a dedicated HPA gearbox shell improves durability, reduces vibration and ensures optimal engine performance, making it essential for high-end HPA builds.

Powair6 & 6LABS expertise

At Powair6, our team and the 6LABS workshop assist with selecting the right HPA gearbox shell and offer full HPA installations.

Need help choosing your HPA gearbox shell?
Our experts are here to help.