The Various Soviet State Arsenals Mosin M91/30 PE Sniper Optic is a soviet union-made bolt-action sniper rifle chambered in 7.62x54R, introduced in 1931. Primary use: hunting, sport. Type: Rifle Action: Bolt-Action Caliber: 7.62x54R Capacity: 5 Year introduced: 1931, Soviet Union Weight: 128 oz Overall length: 48" Status: Discontinued Military use: Yes Intended use: hunting, sport