CZ 550 American Safari Magnum in .458 Winchester Magnum with 24-inch barrel. Full-length Mauser-pattern action with express sights, quarter-rib, and three-position safety. Type: Rifle Action: Bolt-Action Caliber: .458 Win Mag Capacity: 3 Year introduced: 1998, Czech Republic Weight: 43 oz Overall length: 44.3" Status: Discontinued Intended use: Dangerous Game, Safari