The 870 Express Youth in 20 gauge pairs the shortened 12.5-inch length-of-pull stock with a 21-inch barrel and 3-inch chamber. Sized for young shooters but using the full adult 870 action — no diminished quality to achieve the reduced size. Type: Shotgun Action: Pump-Action Caliber: 20 Gauge Capacity: 4 Year introduced: 1992, USA Weight: 144 oz Overall length: 40.5" Status: Active Intended use: Youth, Hunting, Upland