The Remington 870 Express Combo is packaged with both a 28-inch vent-rib field barrel and a 20-inch rifled slug barrel with rifle sights, providing the versatility of two dedicated shotguns at the price of one. One of Remington's best-selling combination packages. Type: Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 4 Year introduced: 1975, USA Weight: 7.5 oz Overall length: 48.5" Status: Active Intended use: Hunting