PolarStar JACK HPA Conversion Kit (V2 / V3) l85 134a Gas (HFC134a)

134a Gas (HFC134a)

the pistol has easy "Pick up and go" potential for those familiar with the lower frame's platform

The accessory rail provides the operator with a tactical advantage and three dot sights allow for a rapid target acquisition

Spring Power

who create a range of high quality BB guns and related products

PolarStar JACK HPA Conversion Kit (V2 / V3) l85 134a Gas (HFC134a)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 with a programmable pneumatic system allowing for higher performance and greater reliability over a