Mossberg 590 Mariner 12 Gauge 20-inch Pump Shotgun

The Mossberg 590 Mariner is a pump-action 12 gauge shotgun finished in Marinecote stainless and fitted with a black synthetic stock. This configuration pairs a 20-inch cylinder-bore barrel with fixed bead sights and an ambidextrous top-tang safety for straightforward handling in utility and home-defense roles. The package includes a pistol-grip conversion kit and sling swivel studs for accessory fitment.

Key Specifications

• Action is Pump Action.
• Caliber is 12 Gauge.
• Barrel length is 20 inches.
• Finish is Marinecote (silver/gray).
• Stock is Black synthetic.
• Overall length is 41 inches.
• Weight is 7 lbs.
• Safety is Ambidextrous top-tang.
• Choke is Cylinder bore.
• Includes pistol grip conversion kit.

Engineered for reliable, straightforward operation, the 590 Mariner provides a corrosion-resistant Marinecote finish and a durable synthetic stock that stand up to maritime and coastal environments. Its fixed sights, simple controls, and accessory-ready features make it a practical choice for those seeking a dependable pump shotgun for defensive applications and general-purpose use.