Mossberg 590S Shockwave 12ga 18.5 in. Matte Blued

About this product

The Mossberg 590S Shockwave is a compact pump-action 12 gauge built around an 18.5-inch barrel and a 3-inch chamber. It pairs a matte blued steel barrel with a black synthetic Raptor birdshead grip and corncob forend with strap to deliver a stable, easy-to-manage platform for close-quarters applications. The design accepts a range of shell lengths and uses a fixed tubular magazine and fixed cylinder bore choke for straightforward operation. Controls include a top-mounted ambidextrous tang safety and fixed bead sight for simple, reliable function.

Key Specifications

• The gauge is 12 gauge.
• The barrel measures 18.5 inches.
• The chamber accepts 3-inch shells and is compatible with 1.75-, 2.75-, and 3-inch shell lengths.
• The action is pump-action.
• The barrel finish is matte blued.
• The stock is a black synthetic Raptor birdshead grip with corncob forend and strap.
• The sighting system is a fixed bead front sight.
• The magazine is a fixed tubular magazine.
• The choke is a fixed cylinder bore.
• The safety is a top-mounted ambidextrous tang safety.

The 590S Shockwave blends a compact footprint with familiar pump-action reliability and a straightforward feature set for close-range and home-use scenarios. Its combination of a short barrel, robust chambering options, and simple controls provide an uncomplicated, dependable platform for users who value durable construction and predictable handling.

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