The Mossberg 590 Shockwave in 12 gauge (brand part no. 50639) is a maneuverable pump-action firearm built around an 18.5-inch heavy-walled barrel and a Raptor birdshead grip in place of a shoulder stock. Mossberg finishes the 590 Shockwave in matte blued steel over a drilled-and-tapped stainless receiver, carrying forward the ambidextrous safety and dual extractors that have made Mossberg’s 590 line a proven platform worldwide. Among pump-action shotguns in the pump-action shotguns category, the 590 Shockwave favors shooters who want a maneuverable 12 gauge firearm for close-range use.

Key Specifications

• Chambered in 12 gauge with a 3-inch chamber.
• Operates as a pump-action firearm.
• Features an 18.5-inch heavy-walled barrel.
• Feeds from a magazine with a 6+1 capacity.
• Fitted with a cylinder choke.
• Equipped with a bead sight.
• Runs an ambidextrous top tang safety.
• Barrel finished in matte blued steel.
• Built with a Raptor birdshead grip in place of a shoulder stock.
• Overall length is 33 inches.

Frequently Asked Questions

Does this have a shoulder stock? No, it uses a Raptor birdshead grip in place of a shoulder stock, classifying it as a firearm rather than a shotgun under federal law.

What is the magazine capacity? 6+1 rounds.

What safety does it use? An ambidextrous top tang safety.

Buy the Mossberg 590 Shockwave 12 Gauge

A maneuverable, close-range 12 gauge firearm is exactly what the 590 Shockwave delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.