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Polarstar Jack – HPA Engine – Fcu – Trigger Board

(1 customer review)


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The JACK™ 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.


  • Jack Engine
  • Rev 3 FCU
  • Trigger Board
  • Magazine And Engine Wiring Harness

1 review for Polarstar Jack – HPA Engine – Fcu – Trigger Board

  1. Robert (verified owner)

    Sweet Unit

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