Kit F2 HK417 POLARSTAR

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

The Polarstar-branded 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 fit in place of the cylinder.

Highlights:
- Polarstar quality
- Replaces the internal of your Gearbox HK417 / G28
- Compact version of the Fusion Engine
- Increased system efficiency
- Reduced response time
- Optimum ball chambering
- Air efficient
- Rate of 30 BBs / second modifiable according to configurations
- Programmable
- Compatible with various nozzles sold as an option

6mm coupler not supplied.