The Rock Island TAC Ultra in 10mm Auto is a double-stack 2011-pattern pistol with 16-round capacity, bringing high-capacity 10mm to the working-class price segment in a full-size competition-oriented package. Type: Semi-Automatic Pistol Action: Single-Action Caliber: 10mm Auto Capacity: 16 Year introduced: 2014, Philippines Weight: 40 oz Overall length: 8.75" Status: Active Intended use: competition, sport, self_defense