P229 in the DAK double-action-only Kellerman trigger system, issued to federal agencies requiring DAO triggers. Mechanically distinct from the standard P229 DA/SA. Type: Pistol Action: DAO Caliber: 9mm Luger Capacity: 15 Year introduced: 2005, USA Weight: 32.4 oz Overall length: 7.1" Status: Active Intended use: law_enforcement, duty