F2 V2 M4/M16 POLARSTAR Kit

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 M4 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 internals of your Gearbox V2
- Compact version of the Fusion Engine
- Increased system efficiency
- Reduced response time
- Optimal ball chambering
- Air-efficient
- Rate of 30 BBs / second modifiable according to configurations
- Programmable
- Compatible with various nozzles sold as options
- Male 6mm US Macroflex included