Polarstar JACK HPA Conversion Kit - V2 M4 HPA Regulator No need to drill or

No need to drill or attach something to the slide catch area with these sight mounts

In addition

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

Supplied with grub screw (to adjust for over travel)

giving it limitless customisability

Polarstar JACK HPA Conversion Kit - V2 M4 HPA Regulator No need to drill orThe 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