Polarstar Fusion Engine V2 Gen3 - HPA Standard FCU Conversion Kit gbbr ) w/programmable modes

) w/programmable modes

Snap in place removable goggle foam insert

Can easily pull M130+ springs no problem

the end user to rest the gun on any flat shooting platform and have more

Polarstar Fusion Engine V2 Gen3 - HPA Standard FCU Conversion Kit gbbr ) w/programmable modesPolarstar Fusion Engine V2 Gen3 HPA Standard FCU Conversion Kit. This is the full sized FCU version for easy programming. Contains everything you need internally. Works drop in with most M4 platforms. G&G, Elite Force, JG, and most are pretty easy to install. Watch some Youtube videos on how to put it in yourself. With the Polarstar Fusion Engine V2 Gen3 HPA Standard FCU Conversion Kit, all you need to complete your HPA setup is: HPA Air Tank (non SLP