Magnum Research's Biggest Finest Revolver in .45-70 Government, a cartridge typically associated with lever-action rifles. The BFR handles cartridges far too powerful for any other production revolver. Type: Revolver Action: Single-Action Caliber: .45-70 Gov't Capacity: 5 Year introduced: 1999, USA Weight: 4 oz Overall length: 15" Status: Active Intended use: Hunting, Collecting