The 20-gauge 1100 brought the gas-operated recoil reduction of the original to a lighter, more maneuverable platform. A popular upland gun for hunters who find the 12-gauge 1100 too heavy for all-day carry. Type: Shotgun Action: Semi-Automatic Caliber: 20 Gauge Capacity: 4 Year introduced: 1968, USA Weight: 198 oz Overall length: 46" Status: Active Intended use: Hunting, Clay Sports