The Hi-Viz version of the Model 500 adds a fiber optic front sight system from the S&W Performance Center, dramatically improving sight acquisition speed on a platform where follow-up shots are particularly valuable for stopping dangerous game. Type: Revolver Action: DA/SA Caliber: .500 S&W Mag Capacity: 5 Year introduced: 2008, USA Weight: 72.5 oz Overall length: 15" Status: Active Intended use: Hunting, Collecting