Polarstar Fusion Engine V2 Gen3 - HPA Standard FCU Conversion Kit HPA fcu The SpeedFlex Belt is equipped

The SpeedFlex Belt is equipped with removable rifle Mag Cells

Low Battery Indication and Preservation

Collapsible Stock with Strap Slot

lightweight poppet valve design yet still operates on the same principle as the Fusion Engine™ poppet

Dominate the field and outgun your opponents with this impressive airsoft rifle

Polarstar Fusion Engine V2 Gen3 - HPA Standard FCU Conversion Kit HPA fcu The SpeedFlex Belt is equippedPolarstar 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