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Reinforced with HK Army trim
(Metal injected molding) pinion and bevel gears to provide the best durability for better peace of mind
3 compression springs on top
Low resistance wiring with a small Tamiya connector reduces heat build up while maintaining performance
making it a great do-it-all option
PolarStar JACK™ HPA Conversion Kit Configuration:Ares M4 Reinforced with HK Army trimCode name "Simple Jack." The JACK was designed to answer demand for an affordable, high performance HPA conversion for AEGs a drop in cylinder replacement universally compatible with a wide range of gearbox versions that have center line nozzles. PolarStar Filter Fitting included. The JACK has only one moving part: the nozzle, which acts as its own poppet valve. Like the Fusion Engine and F2, the nozzle is only piloted by the solenoid to open airflow
