The 870 Express Compact Jr is sized for young and smaller-statured hunters with a shortened 12.5-inch length of pull, 21-inch barrel, and lighter synthetic stock. Chambered in 20 gauge for manageable recoil. Uses the same action as the full-size 870. Type: Shotgun Action: Pump-Action Caliber: 20 Gauge Capacity: 4 Year introduced: 2005, USA Weight: 144 oz Overall length: 40.5" Status: Active Intended use: Youth, Hunting, Upland