Polarstar Kythera V2 M4/M16 hpa engine - as good as new, 100% working

I’m selling this well-maintained, 100% working PolarStar Kythera V2 HPA engine. You’re welcome to test it at my place. I have an HPA tank available for testing.

Included with the Kythera V2: Amped IGL HPA grip line (US), valued at €40.

I’m also selling a Specna Edge M4 AEG that the Kythera engine fits perfectly into:*look at my other listings*