![Polarstar - EMG Blue & Silver Edition JACK Electro-Pneumatic Gearbox Conversion Kit (Model: V2 M4 / M16), Accessories & Parts, HPA, PolarStar Fusion Engine/JACK/F1 - Evike.com Airsoft Superstore Polarstar - EMG Blue & Silver Edition JACK Electro-Pneumatic Gearbox Conversion Kit (Model: V2 M4 / M16), Accessories & Parts, HPA, PolarStar Fusion Engine/JACK/F1 - Evike.com Airsoft Superstore](https://www.evike.com/images/318/large/pstar-58640b.jpg)
Polarstar - EMG Blue & Silver Edition JACK Electro-Pneumatic Gearbox Conversion Kit (Model: V2 M4 / M16), Accessories & Parts, HPA, PolarStar Fusion Engine/JACK/F1 - Evike.com Airsoft Superstore
PolarStar Airsoft - PRODUCT UPDATE: We're making some minor updates to our JACK which will be implemented in the coming weeks on future runs these systems. While there are no changes to
![PolarStar Airsoft JACK Electro-Pneumatic Gearbox Conversion Kit (Model: KAC LMG), Accessories & Parts, HPA, PolarStar Fusion Engine/JACK/F1 - Evike.com Airsoft Superstore PolarStar Airsoft JACK Electro-Pneumatic Gearbox Conversion Kit (Model: KAC LMG), Accessories & Parts, HPA, PolarStar Fusion Engine/JACK/F1 - Evike.com Airsoft Superstore](https://www.evike.com/images/large/polarstar-20353.jpg)
PolarStar Airsoft JACK Electro-Pneumatic Gearbox Conversion Kit (Model: KAC LMG), Accessories & Parts, HPA, PolarStar Fusion Engine/JACK/F1 - Evike.com Airsoft Superstore
![PolarStar Airsoft JACK MINI Electro-Pneumatic Gearbox Conversion Kit (Model: G&G SR25), Accessories & Parts, HPA, PolarStar Fusion Engine/JACK/F1 - Evike.com Airsoft Superstore PolarStar Airsoft JACK MINI Electro-Pneumatic Gearbox Conversion Kit (Model: G&G SR25), Accessories & Parts, HPA, PolarStar Fusion Engine/JACK/F1 - Evike.com Airsoft Superstore](https://www.evike.com/images/polarstar-82759-sm.jpg)