Board Thread:Game Updates/@comment-25730832-20151013050733/@comment-131.107.174.208-20151118011030

They certainly look like the 10.5cm SK C/33 guns: https://en.wikipedia.org/wiki/File:10.5_cm_mount_on_Prinz_Eugen.jpg

Those guns were used as secondary armament on the Admiral Hipper and Deuschland cruisers and AA guns on the Scharnhorst and Bismarck class Battleships.