PolarStar M4 Kythera In Stock At Airsoftjunkiez
OptimusPrime
16 Feb 2021
Airsoft players looking around for the PolarStar Airsoft Kythera HPA Engine for the M4 rifle can check Airsoftjunkiez that they have this back in stock. This is a mechanical semi-auto only engine for M4 AEGs and there are versions for AK, V2.5 SR so check them out before they are snapped by other customers.