The G45 GNS (Glock Night Sights) ships factory-equipped with AmeriGlo I-Dot tritium night sights on the G45 crossover platform. All other specifications match the standard G45 Gen 5. Type: Pistol Action: Semi-Automatic Caliber: 9mm Luger Capacity: 17 Year introduced: 2019, Austria Weight: 24.69 oz Overall length: 7.44" Status: Active Intended use: Duty Carry, Home Defense, Law Enforcement