The Bofors 283 mm M/12 naval gun was a naval rifle of 283 millimetres (11.1 in) and 45 calibers used as the main battery of the Swedish Sverige-class coastal defence ships. It was designed and built by Bofors a few years before the First World War.
== Bibliography == Ahlberg, Lars (1986). "Gun Data for the Swedish Sverige Class Coastal Battleships". F.P.D.S. Newsletter. XIV (3): 1. Campbell, John (1985). Naval Weapons of World War II. Annapolis, Maryland: Naval Institute Press. ISBN 0-87021-459-4. Harris, Daniel G. (1992). "The Svierge Class Coastal Defense Ships". In Gardiner, Robert (ed.). Warship 1992. London: Naval Institute Press. pp. 80–98. ISBN 0-85177-603-5.
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Tony DiGiulian, Sweden 28.3 cm/45 (11.1") Model 1912