6 cm S-Bts K L/21 (original) (raw)

The 6 cm Schnelllade-Boots-Kanone L/21 in Landungslafette C/1900 (6 cm fast-firing boat's cannon 21 calibers on landing carriage circa 1900) or 6 cm S-Bts K L/21 was a landing gun used by Germany during World War I.