The Mossberg 500 Deer in 20 gauge with 24-inch rifled barrel. Lighter and lower recoil than the 12-gauge deer model, while still accurate with modern sabot slugs. Popular for younger hunters and those sensitive to recoil. Type: Pump Shotgun Action: Pump-Action Caliber: 20 Gauge Capacity: 5 Year introduced: 1975, USA Weight: 6.5 oz Overall length: 44" Status: Active Intended use: Hunting, Deer, Slug Shooting