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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
making it a great do-it-all option
M4P and MRW hopup units
Fully Built and tuned by the Best
Durable one-piece design
Low resistance wiring with a small Tamiya connector reduces heat build up while maintaining performance
PolarStar JACK™ HPA Conversion Kit Configuration:Ares M4 making it a great do-it-allCode 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
