Polarstar JACK HPA Conversion Kit - V2 M4 HPA Regulator Supplied with grub screw (to

Supplied with grub screw (to adjust for over travel)

Comes with the standard bottle reg to reduce the PSI from 3000 to 850

This CNC Aluminium Adjustable Trigger gives your pistol a new cool look

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1 Hi-Capa Slide is made for players who want faster cycling and a sharper

Polarstar JACK HPA Conversion Kit - V2 M4 HPA Regulator Supplied with grub screw (toThe 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. 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