Mossberg MVP Patrol in 5.56 NATO with 18.5-inch barrel. Uses standard STANAG AR-15 magazines in a bolt-action. Type: Rifle Action: Bolt-Action Caliber: 5.56 NATO Capacity: 10 Year introduced: 2012, USA Weight: 6.5 oz Overall length: 38.5" Status: Active Intended use: Patrol/Utility