15 cm SK L/45

The 15 cm SK L/45 was a German naval gun used in World War I and World War II.

Naval service
This gun was fitted as the casemate-mounted secondary armament in all Imperial German dreadnought battleships and battlecruisers, the armored cruiser SMS Blücher and as primary armament in the, , Königsberg, and the s. After World War I it was fitted to the light cruiser GERMAN CRUISER Emden.

Ammunition
It used 45.3 kg 15 cm Spgr L/4.1 HE shells with a bursting charge weight between 3.9 kg and 4.09 kg, depending on how the shell was fuzed.

Coast Defense Gun
The same gun was used for coast defense duties in concrete emplacements after World War I. One example was 3./Marine-Artillerie Abteilung 604 ("3rd Battery of Naval Artillery Battalion 604") in Jersey. They show it using 44 kg shells with a range of 18000 m

Railroad Gun
It was also used as a railroad gun during World War I.

Weapons of comparable role, performance and era

 * BL 6 inch Mk XII naval gun British equivalent