The Winchester SX4 Compact is scaled for youth and smaller-framed shooters. Shortened 13-inch length of pull and 24-inch barrel reduce overall size and weight. Active Valve gas system. Suitable for upland hunting and introducing younger shooters to semi-auto shotguns. Type: Semi-Automatic Shotgun Action: Gas-Operated Caliber: 20 Gauge Capacity: 4 Year introduced: 2018, USA Weight: 6 oz Overall length: 44" Status: Active Intended use: Field, Hunting, Youth