STI LS40 in 40 S&W. The 40 S&W variant of the lightweight compact 2011 carry pistol. Features the same aluminum frame and 3.0-inch barrel as the LS9 but chambered in 40 S&W for caliber compatibility with duty weapons. Produced in smaller quantities than the LS9. Type: Pistol Action: Semi-Automatic Caliber: 40 S&W Capacity: 9 Year introduced: 2014, USA Weight: 22.5 oz Overall length: 6" Status: Discontinued Intended use: CCW, Deep Concealment