Mossberg 590S Shockwave | 12 Gauge | 14.375″ | 51601

The Mossberg 590S Shockwave is a short-barrel pump-action shotgun built around a compact Shockwave birdshead grip and a corncob-style forend. It is chambered for 3″ shells and is designed to cycle 1.75″, 2.75″ and 3″ shotshell lengths. The model features a matte blued steel barrel, a black synthetic stock/grip and a fixed cylinder bore choke.

The 14.375-inch barrel and compact overall length favor close-quarters handling and ease of transport while maintaining the mechanical robustness of Mossberg pump-action designs. Controls include a top-mounted ambidextrous safety and a bead front sight for simple, durable aiming reference.

Product Specifications

• The gauge is 12 Gauge.
• The barrel measures 14.375 inches.
• The maximum chamber size is 3 inches with compatibility for 1.75″, 2.75″ and 3″ shells.
• The action type is Pump Action.
• The barrel finish is Matte Blued.
• The stock and forend finish is Black synthetic.
• The stock description is a Raptor birdshead grip with a corncob forend and strap.
• The grip material is a Shockwave pistol grip (black synthetic).
• The choke is a Fixed Cylinder Bore.
• The sights are a Bead front (fixed sights).
• The safety is a Top-mounted ambidextrous tang safety.
• The magazine is a Fixed tubular magazine.
• The ATF classification is listed as a Pistol Grip Firearm (ATF Type).
• The manufacturer/brand is Mossberg and the model is 590S Shockwave (Mfr. part number 51601).
• The UPC is 015813516013.

This Shockwave configuration packs Mossberg pump-action reliability into a compact, short-barrel platform with simple, robust controls and a durable synthetic stock. The combination of a fixed cylinder bore, bead sight and a short heavy-walled barrel makes this model straightforward to operate and maintain.

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