The Mossberg 500 Hunting All-Purpose Field is a combination package offering two barrels — one 28-inch vent-rib for birds and one 24-inch rifled for deer — providing versatility for hunters who pursue multiple species through a single shotgun platform. Type: Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 5 Year introduced: 1961, USA Weight: 7.5 oz Overall length: 48" Status: Active Intended use: Hunting