The Mossberg 590S Shockwave 12 gauge is a compact pump with a 14.375-inch barrel and a Raptor grip in place of a shoulder stock (Mossberg part no. 51601). It cycles 1.75-inch, 2.75-inch and 3-inch shells interchangeably, with no mini shell adapter needed. Overall length is 26.37 inches, and a cylinder bore choke and bead sight keep it simple. A corncob forend with a strap helps control the gun. For home defense or range fun, this Mossberg packs a lot into a short package.

Key Specifications

• Gauge is 12 gauge with a 3-inch chamber that also cycles 1.75-inch and 2.75-inch shells.
• The barrel is 14.375 inches, a very short length for maneuverability.
• Capacity is listed at 4+1, 5+1 and 8+1 by the maker, so check the configuration you want.
• The grip is a Raptor grip, paired with a corncob forend that includes a strap.
• Overall length is 26.37 inches, a compact package.
• The finish is matte blue, a durable low-glare coating.
• The choke is Cylinder Bore with a bead sight, a simple close-range setup.

Frequently Asked Questions

Does the 590S Shockwave have a stock? Mossberg lists a Raptor grip and a corncob forend with a strap, rather than a shoulder stock.

What shell lengths does it cycle? Mossberg says the 590S Series cycles 1.75-inch, 2.75-inch and 3-inch shells interchangeably.

Buy the Mossberg 590S Shockwave 12 Gauge Pump Shotgun

The Shockwave is among the most compact 12 gauges you can buy, and the 590S action adds shell-length flexibility. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL, and see more pump-action shotguns too.