Polarstar JACK drop in kit (V2 M4)

Polarstar JACK drop in kit (V2 M4)
Product Code: 3004
Availability: Pre-Order (2-4 W)
Price: $460.00

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HPA options:

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The 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 products - See more at:


Fire mode/s Full Auto, Semi Auto, Variable Burst
  • Gearbox Profile: TM Spec Version 2
  • Included Nozzle Type: M4/M16 Series
  • Cyclic Rate: 1 RPS to 30+ RPS
  • Fire Modes: Semi / 2 to 9 Shot Burst, Semi / Full Auto, Semi Only
  • Power Source: HPA (High Pressure Air via remote air rig)
  • FCU Battery: 7-10VDC w/ JST Connector (not included)
  • PSI Operating Range: 40 psi. to 130 psi.
  • Build Material: Aluminum / Delrin

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