Polarstar Kythera HPA Engine Size:V2 Gearbox Comes in black or light

Comes in black or light grey color

This is a Deans/T-Plug style connector

Fire Modes: Semi/Full-Auto

and unique magazine well

6v 1600 MAh Long Stick Battery is a unique battery that fits in some specific guns

Polarstar Kythera HPA Engine Size:V2 Gearbox Comes in black or lightThe Polarstar Kythera HPA Engine for airsoft AEGs. Fits in various mechbox styles including V2 (M4, etc), V3, and JG SR 25 style. Achieve 270 500 FPS with simple adjustments. In addition to the engine, you will need a base gun, HPA air tank, line, and regulator. The Kythera has been the most eagerly anticipated products from PolarStar in the past decade. This HPA system is a radical departure from all previous systems that PolarStar has produced since