Russia's primary service rifle for over 60 years. Co-designed by Sergei Mosin and Leon Nagant (whose magazine design was incorporated). Chambered in 7.62x54mmR — a rimmed cartridge still in production and service today. Used in WWI, Russian Civil War, WWII (Eastern Front where it was the primary rifle of Soviet soldiers), and dozens of post-WWII conflicts. The most produced military bolt-action rifle in history. Type: Rifle Action: Bolt-Action Caliber: 7.62x54mmR Capacity: 5 Year introduced: 1891, Russia Weight: 144 oz Overall length: 51.5" Status: Discontinued Military use: Yes Intended use: military, hunting