The Gen 3 G19 added the accessory rail and finger grooves. The single most popular pistol in the United States for over a decade. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 15 Year introduced: 1998, Austria Weight: 23.63 oz Overall length: 6.97" Status: Active Military use: Yes Intended use: Concealed Carry, Service, Law Enforcement, Home Defense