The Model 442 Centennial Airweight is a hammerless double-action-only revolver with an aluminum alloy frame. The fully enclosed hammer makes it snag-free for deep concealment and pocket carry. Type: Revolver Action: DAO Caliber: .38 Spl +P Capacity: 5 Year introduced: 1993, USA Weight: 15 oz Overall length: 6.3" Status: Active Intended use: Carry, Backup