Kit F2 HK417 POLARSTAR

Polarstar is an American brand created in 2009, offering innovative pneumatic engineering solutions for airsoft. Its quality products, made in the USA, are designed by airsoft players for continuous improvement by listening to the community.

Polarstar's F2 dual-solenoid electro-pneumatic system is ideal for transforming your AEG HK417 airsoft replica into an HPA replica. This version is comparable to the Fusion Engine system but in a much more compact format allowing it to be inserted in place of the cylinder.

Highlights:
- Polarstar quality
- Replaces the internals of your Gearbox HK417 / G28
- Compact version of the Fusion Engine
- Increased system efficiency
- Reduced response time
- Optimal ball chamber
- low air consumption
- Speed of 30 balls / second can be modified according to configuration
- Programmable
- Compatible with various optional nozzles
- Macroflex 6mm US male coupler supplied