Entered service 1936–37. It could engage ground targets from the traveling position. Its weight was seven tonnes. Its rate of fire was 15 to 20 rounds per minute. It was produced by Krupp. It was subsequently fitted with a shield to protect the crew when engaging ground targets. 8.8 cm KwK 36: The main gun of the PzKw VI Ausf. E tank. Despite its designation, some classify it as a parallel development with very similar specifications rather than a derivative of the Flak 36.