| 28 cm SK L/45 | |
|---|---|
 Coast defense mounting of the SK L/45 gun at MAB 1./507 Husøya in Norway, during World War II | |
| Type | Naval gun Coast-defence gun |
| Place of origin | German Empire |
| Service history | |
| In service | 1910—1945 |
| Used by | German Empire Nazi Germany Romania |
| Wars | World War I World War II |
| Production history | |
| Designer | Krupp |
| Designed | 1907—1909 |
| Manufacturer | Krupp |
| Produced | 1909—1913? |
| Specifications | |
| Mass | 39.8 t (39 long tons; 44 short tons) |
| Length | 12.735 m (41 ft 9 in) |
| Barrel length | 12.006 m (39 ft 5 in) (bore length) |
| Shell | Separate-loading, cased charge |
| Shell weight | 284–302 kg (626–666 lb) |
| Caliber | 283 mm (11 in) |
| Breech | Horizontal sliding-wedge |
| Muzzle velocity | 855 to 875 m/s (2,810 to 2,870 ft/s) |
The 28 cm SK L/45[Note 1] was a German naval gun that was used in World War I and World War II. Originally a naval gun, it was adapted for land service after World War I.
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