Polarstar F2 - HPA Conversion Kit tk45 Works in the HK competition

Works in the HK competition guns (A4

Made by Echo 1

typically of 6mm in length for long-distance shots)

Universal Fit – Compatible with all AK AEGs

G-11-079-1

Polarstar F2 - HPA Conversion Kit tk45 Works in the HK competitionPolarstar 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