The Colt Boa in .357 Magnum with 6-inch barrel, produced exclusively for the Lew Horton Distributing Company in 1985. Only 1,200 Boa revolvers were made, making it one of the rarest Colt snake revolvers. Type: Revolver Action: Double-Action Caliber: .357 Magnum Capacity: 6 Year introduced: 1985, USA Weight: 43 oz Overall length: 11" Status: Discontinued Intended use: Collecting