F2™ HPA Conversion Kit MODEL:HK417/G28 (VFC) - #1 Nozzle ICS MP5 A/SD

ICS MP5 A/SD

20g @ 120psi

then you will need to install the #11 nozzle for whichever system you are converting your replica with

This system won "Best HPA Engine" the very first year Popular Airsoft added the HPA class to their Players' Choice Awards

This is where the buffer tube itself threads into the receiver

F2™ HPA Conversion Kit MODEL:HK417/G28 (VFC) - #1 Nozzle ICS MP5 A/SDBite 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