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  • Polar Star JACK V2 - Umarex USA

Polar Star JACK V2

2266400

$ 324.95 $ 347.70

Details

This is a drop-in internal conversion unit designed to replace your AEG's standard mechanical gearbox with an electro-pneumatic system powered by an external high pressure air source (generally a small tank). The PolarStar Jack engine is fully programmable to suit just about any environment you wish to play in; two through nine-round burst fire, increase or decrease the cycle rate on full auto, adjustable velocity for indoor versus outdoor engagements, improved air efficiency, simplistic design with limited moving parts, easy to maintain and…oh yea, they're made here in America. The PolarStar Fusion Engine truly changed the game; the Jack took it to a new level!

 


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