Polarstar F2 - HPA Engine Jefftron Solid Nylon Buttstock

Solid Nylon Buttstock

Fitted with real wooden custom grips and stainless steel design grip screws to add a realistic and heavy feel to this blaster

Upgrade Barrel

30cm red M4A1  threaded alloy outter barrel

Polarstar F2 - HPA Engine Jefftron Solid Nylon ButtstockBite 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