The Model 340M&P in matte black Scandium is the law enforcement version of the ultralight J-frame magnum, featuring a matte finish suited to tactical use and a snag-free profile for rapid deployment from a pocket or ankle holster. Type: Revolver Action: DAO Caliber: .357 Mag Capacity: 5 Year introduced: 2000, USA Weight: 11.4 oz Overall length: 6.3" Status: Active Intended use: Carry, Backup, Duty