PolarStar JACK HPA Conversion Kit (V2 / V3) Style:V3/AK 02mm precision steel barrel is

02mm precision steel barrel is mounted

This process breaks in the internal spring allowing it to function without problems each and every time

Aluminum/Nylon/Fiber/Steel/Zinc/Plastic Construction

•    Griffin Armament’s trademark SDQD mounting interface

e3 Duo comes ready to charge 2-3cells LiPo

PolarStar JACK HPA Conversion Kit (V2 / V3) Style:V3/AK 02mm precision steel barrel isThe 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