Mossberg 590 Mariner 12 Gauge 20in Pump Shotgun

About this product

The Mossberg 590 Mariner is a pump-action 12 Gauge shotgun built for corrosion resistance and dependable operation in demanding environments. This Mariner variant features a 20-inch Marinecote-finished barrel, a black synthetic field-style stock, a front bead sight, and an ambidextrous top-tang safety. The package includes a pistol grip conversion kit and a recoil pad for practical handling. Designed for marine-practical and defensive applications where durability and straightforward operation matter.

Key Specifications

• The shotgun is chambered in 12 Gauge.
• The action type is a Pump Action.
• The barrel measures 20 inches and features a Marinecote finish.
• The chamber accepts 3 inch shells.
• The stock is black synthetic in a fixed field style.
• The overall length is listed as 41 inches.
• The unloaded weight is approximately 7 lbs.
• Sights are a front bead.
• Includes a pistol grip conversion kit and a recoil pad.

Robust and straightforward, the 590 Mariner emphasizes corrosion resistance, simple maintenance, and reliable mechanics. Its Marinecote-treated barrel and stainless components help it withstand humid or marine conditions, while the synthetic stock and included pistol grip kit provide ergonomic, low-maintenance handling. For users who prioritize durable construction and functional design in a pump-action platform, this model offers a practical, no-nonsense option.

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