Polarstar Fusion Engine V2 Gen3 - HPA Standard FCU Conversion Kit EMG The PTS EPM1RX 250+ Round

The PTS EPM1RX 250+ Round Midcap M4 Magazine is a beast midcap mag for airsoft AEGs

Quick Focus Eyepiece

and other accessories

Green tracer color

Polarstar Fusion Engine V2 Gen3 - HPA Standard FCU Conversion Kit EMG The PTS EPM1RX 250+ RoundPolarstar 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