JokerFace Airsoft, a German airsoft reviewer in the English language, goes over the KWA VM4 RONIN T6 AEG. This AEG has the VM4 AEG 2.5 gearbox and uses the variable FPS, allowing to one to easily adjust the muzzle velocity to meet game site limits. This is a compact PDW-style AEG which has been made to meet the semi-auto requirements demanded by German regulators.