SS Airsoft Custom HPA G&G ARP9 2.0ST Silver w/ PolarStar Jack

SS AIRSOFT Custom Built HPA airsoft rifle. We build some of the best custom HPA airsoft replicas you will find on the market. All weapons are test fired, tuned and adjusted to work perfectly right out of the box. This item has been custom installed here at SS Airsoft. Includes, Gun, and PolarStar Jack G&G Airsoft ARP-9 2.0ST Archwick 60 Degree NBR Rubber Airsoft AEG Hop-Up Bucking PolarStar Airsoft JACK Electro-Pneumatic Gearbox Conversion Kit V2 FPS Range: 330-400 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 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 perform