Retro Arms CNC HPA V2 Gearbox color-lava Extreme high quality build and

Extreme high quality build and detailed finish

as well as two roller wheels for easy transportation

Potentially boosts FPS and increases performance

• Designed for fast and smooth draw

For use with STORM OnTank regulators

Retro Arms CNC HPA V2 Gearbox color-lava Extreme high quality build andThis shell is machined just for HPA parts. The price is lower due to the reduced machining time (no need to accommodate AEG parts) and because no spring guide is included. These Gearbox Shells are fully CNC machined from a block of 7075 T6 Aluminum. This material is very strong and can endure a ton of stress. Anodized black for corrosion resistance. Comes with screws.