The P229 DAK in .40 S&W for agencies issuing both .40 caliber and DAO trigger requirements. US Customs and Border Protection issued this combination to many agents. Type: Pistol Action: DAO Caliber: .40 S&W Capacity: 12 Year introduced: 2005, USA Weight: 32.4 oz Overall length: 7.1" Status: Active Intended use: law_enforcement, duty