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IA Iron River Armory

Winchester SXP Marine Extreme Defender 12 Gauge 18 in 3 in

SKULIP|WI512464395 Conditionnew CategoryPump Action Shotguns
$483.19
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Specs at a glance

Winchester SXP Marine Extre… SPECS AT A GLANCE 18 inches SIZE
Editorial diagram — measurements verified during testing.

About this product

The Winchester SXP Marine Extreme Defender is a 12 gauge pump-action shotgun built for use in harsh environments. It incorporates matte hard-chrome plating on the barrel, magazine tube and slide components, and a composite pistol-grip stock with a ribbed forearm for secure handling. The design includes a Picatinny optics rail and side-mounted accessory rails, a ghost-ring rear sight with blade front sight, a heat shield, and an Invector-Plus door breacher choke tube.

Key Specifications

  • The shotgun is chambered in 12 gauge.
  • The action type is a pump action.
  • The barrel measures 18 inches.
  • The chamber accepts 3 inch shells.
  • The metalwork uses a matte hard chrome finish for corrosion resistance.
  • The stock is made of synthetic material with a matte black finish.
  • An Invector-Plus flush (breacher) choke tube is included.
  • Sights are configured as a blade front with a ghost-ring rear.
  • The receiver and forend include Picatinny optics and accessory rails.
  • The stock features two interchangeable comb pieces for adjusting cheek height.

With corrosion-resistant finishes, user-adjustable ergonomics and a straightforward, accessory-ready layout, the SXP Marine Extreme Defender emphasizes dependable pump-action performance in demanding conditions. Its combination of tactical features and practical design makes it a solid option for shooters who prioritize durable, functional gear.

Sources & methodology. Editorial review and rating by Travis Caldwell based on hands-on testing notes and published vendor specifications. Pricing verified at time of publication.
$483.19