Description
Description: Polarstar JACK HPA Version 3 Conversion KitThe JACK™ system 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 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 productsJust like all other PolarStar HPA conversions, JACK™ also allows for easy velocity adjustment. Using a standard M4 as an example, velocity can be adjusted from below 280fps and up to approximately 500fps with a .20g BB. This can be done simply by adjusting input pressure and poppet dwell to fine tune your rifles velocity in increments of just a few FPS at a time. Maximum velocity potential of the system will vary depending upon the barrels length and tightness of the bore. Longer and tighter barrels will yield a higher velocity while shorter or wider barrels will be yield a lower velocity. For Example:@130 PSI with a 363mm (14 in)- 500 Feet Per Second@130 PSI with a 300mm (10 in)- 450 Feet Per SecondSpecifications:Manufacturer: PolarStar AirsoftModel: JACKMuzzle Velocity: 280 – 500 FPS, AdjustableRate of Fire: 1 – 30+ RPS, AdjustableFire Modes: Semi, 2-9rd Burst / Semi, Full Auto / Semi OnlyPSI Operating Range: 40 – 130 PSIFCU Voltage Range: 7-10 VDCPackage Includes: JACK, Internal Switch Board, REV3 FCU
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