PolarStar JACK Electro-Pneumatic Gearbox Conversion Kit V2 M4 MAXX Model Airsoft fully charged battery will last

fully charged battery will last over 30

CLEANING ROD

OFFICIALLY LICENSED BY FABARM

25" LOP ADJUSTMENT RANGE

This applies to ASTER R1

PolarStar JACK Electro-Pneumatic Gearbox Conversion Kit V2 M4 MAXX Model Airsoft fully charged battery will lastThis JACK is for Version 2 gearboxes if you are in need of a JACK that is compatible with Version 3 gearboxes CLICK HERE The JACK system was designed to answer the demand for an affordable, high performance HPA 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 product, the F1, it replaces the original gearbox