POLARSTAR JACK V2 GEL BLASTER KIT - HPA System external mod resulting in a quicker recharge

resulting in a quicker recharge rate

To release the spring after using precocking

Material: CNC machined aluminum

piston will remain in rear position after each shot with the spring already compressed

The FPS of the Gold Flute Valve is 10% faster than the Red Flute Valve

POLARSTAR JACK V2 GEL BLASTER KIT - HPA System external mod resulting in a quicker rechargePOLARSTAR JACK V2 GEL BLASTER KIT Kit includes: Jack Engine + FCU + Wiring kit + Mag Terminals Harness The JACK was designed to answer the demand for an affordable, high performance HPA (High Pressure Air) conversion for AEG's. The system is a drop in cylinder replacement that is universally compatible with a wide range of gearbox versions that have center line nozzles. Similar to its sister products, the JACK replaces the original gearbox components