The 3-inch Model 632 provides a longer sight radius and additional velocity for the .327 Federal Magnum cartridge in the Centennial hammerless configuration. Six rounds of the hot .327 Federal from a 3-inch barrel approximate .357 Magnum performance from a 2-inch barrel. Type: Revolver Action: DAO Caliber: .327 Fed Mag Capacity: 6 Year introduced: 2008, USA Weight: 24.5 oz Overall length: 7.5" Status: Active Intended use: Carry, Backup, Home Defense