The Mossberg 500 Flex Combo leverages the Flex tool-less stock and forend system to include both a full-length 28-inch field barrel with standard stock and an 18.5-inch tactical barrel with pistol-grip stock in one package, enabling rapid conversion between field and defensive configurations. Type: Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 5 Year introduced: 2012, USA Weight: 7.5 oz Overall length: 48" Status: Active Intended use: Hunting/Home Defense