Winchester SXP Shadow Marine Defender 20 Gauge 18″ Pump

The Winchester SXP Shadow Marine Defender is a 20 Gauge pump-action shotgun designed for reliable operation in demanding or corrosive environments. It combines an 18-inch hard-chrome barrel and chamber with a matte black aluminum-alloy receiver and a black synthetic stock to resist wear. Ergonomic controls, a TruGlo removable front sight, and an adjustable comb allow the user to tailor the fit for practical use in maritime, home-defense, and field conditions.

Key Specifications

• The gauge is 20 Gauge.
• The action is Pump Action.
• The barrel measures 18 inches and includes a hard chrome plated chamber and bore.
• The chamber accepts 3" shells.
• The listed capacity is 5 + 1 (tubular magazine plus one in the chamber).
• The overall length is 38.5 inches.
• The unloaded weight is approximately 6.25 pounds.
• The finish is described as matte hard chrome on the barrel with a matte black aluminum receiver.
• The stock material is black synthetic with a pistol grip and interchangeable comb pieces.
• The shotgun is drilled and tapped for a scope base and includes a removable TruGlo front sight.

Built with corrosion-resistant barrel treatment and practical ergonomics, the SXP Shadow Marine Defender is suited for operators who need dependable pump-action performance in wet or maritime conditions. Its compact 18-inch profile, adjustable fit, and rugged synthetic furniture make it a straightforward, no-nonsense option for home defense, boat-deck use, and general-purpose fieldwork where durability and consistent function are priorities.