Optics-Ready variant of the Mossberg MMR Tactical with a full-length Picatinny receiver rail, flip-up MBUS sights, and no fixed front sight to provide a clean optic mount. Shares the 16-inch chrome-lined barrel and free-float handguard of the Tactical. Type: Semi-Auto Rifle Action: Gas-Operated Caliber: 5.56x45mm Capacity: 30 Year introduced: 2016, USA Weight: 7 oz Overall length: 35.2" Status: Active Intended use: Range, Home Defense