The P99 DAO (Double Action Only) is a variant of the P99 with a true double-action-only trigger — no partial pre-cocking, longer pull every shot. Developed for law enforcement agencies requiring a DAO pistol for training consistency and liability management. The DAO variant removes the AS mechanism entirely. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 15 Year introduced: 2000, Germany Weight: 25.6 oz Overall length: 7.1" Status: Active Intended use: law_enforcement, service