Transitional Gen 3 Glock 19 with front slide serrations — a late-production variant bridging Gen 3 and Gen 5 designs. Type: Pistol Action: Semi-Auto Caliber: 9mm Luger Capacity: 15 Year introduced: 2016, Austria Weight: 20.99 oz Overall length: 6.85" Status: Discontinued Intended use: Law Enforcement, Duty, Concealed Carry