Polarstar Bullet Valve for F2 and Jack HPA kit hpa Easy transition between the upright

Easy transition between the upright and folded positions

Powered by 4 LR44 batteries (not included)

Compatible with G-Series gen 3 gel blasters

the sight automatically powers off after 2 hours of inactivity

Polarstar Bullet Valve for F2 and Jack HPA kit hpa Easy transition between the uprightPolarstar Bullet Valve for F2 and Jack HPA kit Replacement Bullet Valve for the Polarstar Jack and F2 units. The BV309A Bullet Valve is the solenoid used in all current production F2 and JACK HPA systems and it is backwards compatible with all F2 and JACK systems previously made. Power lead is included with the valve. HPA, Polarstar, Spare Parts