The M1895 Revolver, also known as the Nagant M1895, is a Russian double-action revolver designed by Léon Nagant. It was adopted by the Russian military in 1895 and is notable for its unique gas-seal system, which enhances muzzle velocity and accuracy. The revolver typically fires the 7.62×38mmR cartridge and features a 7-round cylinder. This revolver was used extensively during the Russo-Japanese War and both World Wars. Its distinctive design and functionality made it a reliable sidearm for soldiers. The M1895 remained in service for several decades, with various models produced for military and civilian use.