F2™ HPA Conversion Kit MODEL:HK417/G28 (VFC) - #1 Nozzle CQB (275mm) = 446fps

CQB (275mm) = 446fps

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

Since it is the poppet valve which turns the air flow on and off

The optional Gold valve expands the capabilities of the system even further by making it more flexible and adaptable when tuning for different rifle configurations

• Quarter-turned to avoid crease down the middle

F2™ HPA Conversion Kit MODEL:HK417/G28 (VFC) - #1 Nozzle CQB (275mm) = 446fpsBite 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