Polarstar - Jack V2 red outer barrel Requires CR2032 3V Battery

Requires CR2032 3V Battery

Fully Adjustable Butt Stock

if you are looking for an all in one full metal build (spec list below)

this receiver has some of the latest designs and cuts for the ultimate aesthetic look

Polarstar - Jack V2 red outer barrel Requires CR2032 3V BatterySimilar 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 still retains the same performance and quality you have come to expect from PolarStar products. These engines have mag terminal wires inside package.