PolarStar - Jack V2 HPA Unit / Standard FCU / V2 M4 HPA Kit

CNC aluminum components with high performance delrin nozzle Universal cylinder design allows for use with most gearbox versions Optimized air flow promotes consistency and accuracy. Adjustable velocity and cyclic rate w/ FCU High performance and reliability, even in sub-freezing weather FCU programmable Semi Auto, Full Auto, and Burst modes Description: The Polarstar “JACK” 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 will be 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 components with a programmable pneumatic system allowing for higher performance and greater reliability over a gear driven system. Although economically priced, “JACK” will still retain the same performance and quality you have come to expect from PolarStar.The JACK system only has 1 moving part, the n