6-inch siege gun M1877

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6-inch siege gun model 1877
152mm m1877 190 pood gun 3.jpg
Russian 6-inch M1877 gun, displayed in Hämeenlinna The Artillery Museum of Finland.
Type Siege gun
Place of origin Russian Empire
Weight combat: 5,300 kg
Barrel length 21 calibers

Caliber 152.4 mm
Breech Horizontal sliding-block
Carriage Box trail
Elevation -5° to 45°
Maximum firing range 9.3 km

6-inch siege gun model 1877 (Russian: 6-дюймовая осадная пушка образца 1877 года) was a Russian 152.4 mm heavy siege gun. The gun was produced by Obukhov Steel Works in Saint Petersburg. It was utilized in Russo-Japanese War, World War I, Russian Civil War and some conflicts of the early 20th century where former parts of Russian empire were involved. The last usage was in 1941 during Operation Barbarossa when the gun was successfully used in anti-tank role, firing at 500–600 meters range due complete absence of gun-sights.[1] The only surviving piece is displayed in Hämeenlinna The Artillery Museum of Finland.[2]

6-inch siege gun M1877, rear view.