The latest from GHK Airsoft is the GK74/AK74 Gas Blowback Rifle and Airsoft Taiwan has in stock. Power source is 12KG GAS or CO2 with the standard version with orange colour gas magazine that is compatible with the GHK AK series. Muzzle velocity is 378fps or 1.32J at 27°C and the magazine capacity is 50 BB rounds. It costs US$450 at their online store, shipping costs not included.