The 2-inch barrel Model 442 provides a marginally longer sight radius over the 1.875-inch standard version while remaining a DAO hammerless Centennial Airweight in aluminum alloy. Type: Revolver Action: DAO Caliber: .38 Spl +P Capacity: 5 Year introduced: 1993, USA Weight: 15.5 oz Overall length: 6.5" Status: Active Intended use: Carry, Backup