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12.7 cm SK C/34
Z 3 Max Schultz aft guns.jpg
Aft guns on Z3 Max Schultz
Type Naval gun
Place of origin Nazi Germany
Service history
In service 1934–2003
Used by  Nazi Germany
Wars Second World War
Production history
Designer Rheinmetall
Designed 1930–1934
Manufacturer Rheinmetall
Weight 3,645 kilograms (8,036 lb)
Length 5.76 meters (18 ft 11 in)
Barrel length 5.43 meters (17 ft 10 in) (bore)

Shell separate-loading, cased charge
Shell weight 28 kilograms (61.7 lb)
Caliber 128 millimeters (5.0 in)
Breech vertical sliding block
Elevation depends on the mount
Traverse depends on the mount
Rate of fire 15–18 rpm (maximum)
Muzzle velocity 830 meters per second (2,700 ft/s)
Maximum range 17,400 meters (19,000 yd) at 30°

The 12.7 cm SK C/34[Note 1] was a German medium-caliber naval gun deployed on destroyers from 1934 through the Second World War. Some of these guns remained in service until 2003 in the coastal defense units of Norway.


The gun could be depressed to -10° and raised to 30°.[1] It had an arc of fire of 360°, meaning that they could rotate a full circle, able to fire at any given point.[1] The gun fired a 28-kilogram (62 lb) high-explosive shell at a muzzle velocity of 830 metres per second (2,700 ft/s) to a range of 17,400 metres (19,000 yd).[1]

See also[]

Weapons of comparable role, performance and era[]

  • 4.7 inch QF Mark IX & XII : equivalent British destroyer guns, firing slightly lighter shell.
  • 5"/38 caliber gun : equivalent US gun, but unlike the German gun had dual-purpose mount allowing anti-aircraft fire.


  1. SK - Schnelladekanone (quick loading cannon); C - Construktionsjahr (year of design)
  1. 1.0 1.1 1.2 D., Tony (2010). "Germany 12.7 cm/45 (5") SK C/34". Retrieved July 21, 2011. 


  • Campbell, John (2002). Naval Weapons of World War Two. London: Conway Maritime Press. ISBN 0-87021-459-4. 
  • Gander, Terry; Chamberlain, Peter (1979). Weapons of the Third Reich: An Encyclopedic Survey of All Small Arms, Artillery and Special Weapons of the German Land Forces 1939–1945. New York: Doubleday. ISBN 0-385-15090-3. 
  • Hogg, Ian V. (1997). German Artillery of World War Two (2nd corrected ed.). Mechanicsville, PA: Stackpole Books. ISBN 1-85367-480-X. 
  • Rolf, Rudi (1998). Der Atlantikwall: Bauten der deutschen Küstenbefestigungen 1940-1945. Osnabrück: Biblio. ISBN 3-7648-2469-7. 

External links[]

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