Mossberg 590S Shockwave 12 Gauge, 14.375 in Barrel

The Mossberg 590S Shockwave is a 12-gauge pump-action firearm built around a 14.375-inch matte blued steel barrel and cylinder bore. Its 3-inch chamber supports 1.75-inch, 2.75-inch, and 3-inch shells, while the bead sight and compact grip-and-forend configuration provide a straightforward platform for responsible recreational or defensive use.

The design includes dual extractors, twin action bars, steel-to-steel lockup, an anti-jam elevator, and an ambidextrous top-mounted safety. A black synthetic Shockwave birdshead grip and strapped corncob-style forend complete the configuration.

Key Specifications

• The firearm uses a 12 gauge chambering.
• The action is pump action for manually cycled operation.
• The barrel measures 14.375 inches in length.
• The barrel has a matte blued finish.
• The chamber accepts 1.75-inch, 2.75-inch, and 3-inch shells.
• The bore is a fixed cylinder bore.
• The sight is a bead front sight.
• The firearm features an ambidextrous top-tang safety.
• The grip is a black synthetic Shockwave birdshead grip.
• The forend is a corncob-style forend with strap.

With its short-shell flexibility, familiar pump-action controls, and practical sighting setup, the 590S Shockwave offers a focused configuration for owners who value adaptable 12-gauge performance and uncomplicated operation.

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