Retro Arms CNC HPA V2 Gearbox PK126 ※Optimized for green gas

※Optimized for green gas

Adjust your tanks to have different output pressure

Location of Nozzle is not directly linked to the location of the gas supply element

There can be set warning after shot before empty magazine and how it will be reloaded

Retro Arms CNC HPA V2 Gearbox PK126 ※Optimized for green gasThis 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.