The Mossberg 590M in 12 gauge (brand part no. 50205) is a pump-action shotgun built around an 18.5-inch barrel with a 2.75-inch chamber, feeding from a detachable box magazine instead of a traditional tubular magazine. Mossberg builds the 590M with positive steel-to-steel lockup, twin action bars, and a drilled-and-tapped receiver, and finishes it in blued steel with a synthetic stock. Among pump-action shotguns in the pump-action shotguns category, the 590M favors shooters who want fast magazine changes over a traditional tube-fed reload.

Key Specifications

• Chambered in 12 gauge with a 2.75-inch chamber.
• Operates as a pump-action shotgun.
• Features an 18.5-inch barrel.
• Feeds from a detachable box magazine with a 10+1 capacity.
• Runs an ambidextrous safety.
• Equipped with a fixed bead sight.
• Includes a Cylinder choke.
• Finished in blued steel.
• Built with a synthetic stock.
• Receiver is drilled and tapped for optics.

Frequently Asked Questions

Does this use a tubular magazine? No, the 590M feeds from a detachable box magazine for faster reloads.

What is the magazine capacity? 10+1 rounds with the included magazine.

Buy the Mossberg 590M Mag-Fed 12 Gauge

Fast magazine changes over a traditional tube-fed reload is exactly what the 590M delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.