The Flak30 was a German Light Anti Aircraft gun mounting a 20mm gun. The Flak30 was developed by Rheinmetall from and earlier Kreigsmarine design, the C/30. It was capable of firing at around 120rpm. The Flak30 was operated by a foot pedal which fired the and could be set to automatic or semi-automatic fire. The Flak30 was also used effectively against ground targets and was adopted as the standard German light flak gun in 1939. It's effective range was 2,200m.