. "9.3"^^ . . . "Russian 6-inch M1877 gun, displayed in H\u00E4meenlinna The Artillery Museum of Finland."@en . "6"^^ . . . . . "6-inch siege gun model 1877 () 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 only surviving piece is displayed in H\u00E4meenlinna The Artillery Museum of Finland."@en . . "152.4"^^ . "-5"^^ . "6-inch siege gun model 1877 () 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 only surviving piece is displayed in H\u00E4meenlinna The Artillery Museum of Finland."@en . "yes"@en . "Horizontal sliding block"@en . . "6-inch siege gun M1877"@en . "Russian Empire"@en . "21"^^ . . "combat: 5,300 kg"@en . "box trail"@en . . .