Reapers Airsoft does a review of the ASG CZ Scorpion EVO3 A1 S-AEG that comes with the Jefftron Leviathan EFCS. The S-AEG means it is a semi-auto AEG to meet airsoft regulations in Germany.. "Hi folks, today we're going to take a look at the slightly older CZ Scorpion EVO 3 A1 in the S-AEG version from ASG."