F2™ Nozzles MODEL:AA-12 The 2-pin headers are labeled

The 2-pin headers are labeled CON1 through CON4

All UGS stocks for HK417 models use the "R01" rails

This means the function and feel of the trigger is independent of input pressure and velocity

This latest REV3 model features updated voltage regulators which greatly improve energy efficiency as well as significantly reducing its overall size

F2™ Nozzles MODEL:AA-12 The 2-pin headers are labeledFor cylinder conversion systems we assign numbers to the nozzles instead of using the rifle model. This is because the nozzle length can vary between the same gun model when made by different manufacturers. This can be from the manufacturer designing the rifle differently, or from the thickness of the gearbox shell affecting how far from the hop up chamber the cylinder sits. Therefore one nozzle length may work in different rifle models but not