PolarStar F2 HPA Conversion Kit (V2 / V3) Style:V3/AK -Programmability for features like: Active

-Programmability for features like: Active Braking

Binary trigger: Allows for easy double shots in semi-automatic setting

The set come with Slide

steel made tube ring

PolarStar F2 HPA Conversion Kit (V2 / V3) Style:V3/AK -Programmability for features like: ActiveBite Sized Fusion Engine Winner of the "Best HPA Engine" in the 9th Airsoft Players Choice Awards, the dual solenoid design of the F2 provides the same functionality as the legendary Fusion Engine but in a more compact, efficient and flexible design. Dual solenoids allow for the nozzle and the poppet valve to be adjusted independently of each other for unparalleled control over both the loading time and air volume used. Additionally, this makes it