Polarstar F2 - HPA Conversion Kit sniper hpahpa sniper 4v is a much shorter

4v is a much shorter version of the Li-Ion battery than the higher voltage ones

For use on Action Army AAP-01 pistols and WE Galaxy and may work on other GBB airsoft guns too

and 1" Nylon Grip Retention strap with quick connect buckles

with functions similar to the legendary Russian gun

Polarstar F2 - HPA Conversion Kit sniper hpahpa sniper 4v is a much shorterPolarstar F2 HPA Conversion Kit The F2 incorporates a new one piece, lightweight poppet valve design yet still operates on the same principle as the Fusion Engine poppet. This valve is able to operate at lower pressures and uses less air volume to function which optimizes air efficiency. A robust design allows for an operating pressure range of 45psi to 145psi which enables the F2 to achieve velocities from CQB to DMR while employing only one nozzle