The 1100 Sporting 12 gauge is the competition-configured version with a stepped ventilated rib, 28-inch target barrel, and higher-grade walnut. The 1100 Sporting has won more NSSA (National Skeet Shooting Association) championships than any other single shotgun model. Type: Shotgun Action: Semi-Automatic Caliber: 12 Gauge Capacity: 4 Year introduced: 1963, USA Weight: 192 oz Overall length: 48" Status: Active Intended use: Sporting Clays, Skeet, Competitive Shooting