Retro Arms CNC HPA V2 Gearbox PolarStar Engines The fire selector features a

The fire selector features a safe position

360-degree rotation and option of 7 carrying ways make a perfect fit in every application

The new i5 goggle system is an aggressive

Remove the protective film from the Lexan Lens

Front and rear fiber optic sights

Retro Arms CNC HPA V2 Gearbox PolarStar Engines The fire selector features aThis 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.