The Staccato P in 10mm Auto is a double-stack 2011-pattern pistol from the former STI International, now Staccato, offering a 20-round capacity in 10mm Auto in a competition-derived duty-ready chassis that has rapidly become popular with law enforcement and serious competitors. Type: Semi-Automatic Pistol Action: Single-Action Caliber: 10mm Auto Capacity: 20 Year introduced: 2019, USA Weight: 34 oz Overall length: 8.2" Status: Active Intended use: competition, law_enforcement, self_defense, sport