The Mossberg 590S in the 20-inch 9-shot configuration. Accepts mini shells, 2.75-inch, and 3-inch shells. Heavy-duty 590-series construction. Drilled and tapped receiver. Ghost ring sights. Excellent capacity flexibility for varied ammunition availability. Type: Pump Shotgun Action: Pump-Action Caliber: 12 Gauge Capacity: 9 Year introduced: 2020, USA Weight: 7.5 oz Overall length: 41" Status: Active Military use: Yes Intended use: Tactical, Home Defense, Military