The STI HEX Carry DS (Double Stack) is a carry-optimized 2011-format pistol with a 4.15-inch barrel, optics-ready slide with HEX footprint, and a grip module shorter than the competition models. It bridges the gap between STI's competition 2011 platforms and a carry-friendly concealed pistol with the same trigger system. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 17 Year introduced: 2019, USA Weight: 34 oz Overall length: 7.8" Status: Discontinued Intended use: CCW, Tactical, Duty