10.5 cm SK L/40 naval gun

10.5 cm SK L/40
A gun salvaged from the light cruiser Königsberg and mounted on the gunboat SS Graf von Götzen on Lake Tanganyika
TypeNaval gun
Place of originGerman Empire
Service history
In service1900—1945
Used byGerman Empire
Weimar Republic
Nazi Germany
WarsWorld War I
World War II
Production history
Designedabout 1898–1900
Specifications
Mass1,555 kg (3,428 lb)
Length4.475 m (14 ft 8 in)

Shell105 x 656 mm Fixed QF ammunition
Shell weight16–17.4 kg (35–38 lb)
Caliber105 mm (4 in)
BreechHorizontal sliding-block
RecoilHydro-pneumatic
Elevation-10° to +30°
Traverse360°
Rate of fire15 RPM
Muzzle velocity690 m/s (2,300 ft/s)
Maximum firing range12,200 m (13,300 yd) at 30°

The 10.5 cm SK L/40 (SK - Schnelladekanone (quick-loading cannon) L - Länge (with a 40-caliber long barrel) was a German naval gun used in World War I and World War II.