The Ithaca Gun Company X-15 is a usa-made semi-automatic shotgun chambered in 12 gauge, introduced in 1964. Primary use: Hunting, Field. Type: Shotgun Action: Semi-Automatic Caliber: 12 gauge Capacity: 5 Year introduced: 1964, USA Weight: 96 oz Overall length: 47.5" Status: Discontinued Intended use: Hunting, Field