S&W Model 657 in 41 Rem Mag with 7.5-inch barrel. The hunting configuration; N-frame stainless steel in the cartridge that ballistic engineers have long considered the optimal big-bore handgun hunting round. Type: Revolver Action: Double-Action Caliber: 41 Rem Mag Capacity: 6 Year introduced: 1985, USA Weight: 48 oz Overall length: 13" Status: Active Intended use: Hunting