8.8 cm SK L/30 naval gun

The 8.8cm SK L/30 (SK - Schnelladekanone (quick loading cannon) L - Länge (with a 30-caliber barrel) was a German naval gun that was used in World War I on a variety of mounts.

Description
The 8.8cm SK L/30 gun weighed 644 kg and had an overall length of about 2.64 m. It used the Krupp horizontal sliding block, or "wedge", as it is sometimes referred to, breech design.