FREE shipping purchase over $300 (exclude blaster)

Dispatch days are Monday, Wednesday & Friday

Load image into Gallery viewer, POLARSTAR JACK™ HPA ENGINE FOR GEL BLASTER
Load image into Gallery viewer, POLARSTAR JACK™ HPA ENGINE FOR GEL BLASTER


1 total reviews

Vendor Polarstar
Regular price $720.00
Sale price $720.00 Regular price
Sale Coming Soon
Unit price
Tax included. Shipping calculated at checkout.
This is a pre order item. We will ship it when it comes in stock.

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 centre-line nozzles.


Similar to its sister products, the JACK™ 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, the JACK™ still retains the same performance and quality you have come to expect from POLARSTAR products.

The JACK™ has only one moving part, the nozzle, which acts as its own poppet valve. Similar to the Fusion Engine™ and F2™ poppet, the nozzle is only piloted by the solenoid to open air flow through the poppet with none of the firing air coming from the solenoid itself. This design lets the JACK™ send a higher flow of air down the barrel than systems that only use a solenoid as the firing valve.

Mag Wires are included

Accordion (reviews)

Customer Reviews

Based on 1 review
Clinton Hurley
Simple Jack

Jack is the bomb easy install and operation if you want a heavy hitter with mad fast rof without the endless maintenance of a DSG simple Jack is the answer