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Mossberg took the pump gun world by surprise when the 590M dropped, and this Professional Series version (model 50222) is the duty-grade evolution of that idea. Instead of thumbing shells into a tube, you run a double-stack 10-round detachable magazine, which was the first production double-stack mag ever built for a pump action. Stabilizing ribs on the magazine body lock into notches machined in the receiver, so the mag seats solid every time and reloads come down to a button press and a fresh box. The all-steel, ambidextrous mag release sits just ahead of the trigger guard where it stays out of the way while you cycle the action.
Professional Series guns go through Mossberg's enhanced assembly and quality control process, and it shows in the details. The 18.5 inch heavy-walled barrel, receiver, and magazine wear a tungsten gray Cerakote finish that shrugs off weather and rough handling. You still get everything that made the 590 a favorite of military and law enforcement armories for decades: dual extractors, twin action bars, steel-to-steel lockup, and the familiar top-mounted ambidextrous safety that works the same whether you shoot righty or lefty. A ghost ring rear paired with a fiber optic front sight gets you on target fast, and the receiver is drilled and tapped if you want to mount an optic.
The safety orange Magpul SGA stock is more than a color choice. Agencies use orange furniture to identify dedicated less-lethal launchers at a glance, and that same high-visibility setup makes this a standout training and duty tool. The SGA stock adjusts length of pull from 12.25 to 14.25 inches in half-inch increments, so one gun can fit shooters of different builds or accommodate body armor. Up front, the extended Magpul MOE forend adds hand stops and M-LOK slots for lights and accessories.
It ships with one 10-round magazine, and 5, 10, 15, and 20-round mags are available separately if you want spares staged and ready. For anyone who values fast, repeatable reloads on a pump platform, this one delivers.
The safety orange Magpul furniture comes from Mossberg's Professional Series line, where agencies use the bright color to identify dedicated less-lethal shotguns at a glance. For everyday owners, it doubles as a highly visible training gun that stands out in the safe and on the rack. Mechanically, it is the same rugged 590M as the black version.
Yes. The gun ships with one 10-round double-stack magazine, and Mossberg offers accessory mags in 5, 10, 15, and 20-round capacities sold separately. The mags use stabilizing ribs that lock into notches in the receiver, so they seat firmly even at the larger sizes.
The receiver comes drilled and tapped from the factory, so adding a rail and mounting a red dot or other optic is straightforward. Out of the box you get a ghost ring rear sight with a fiber optic front, which is a fast, durable combo that plenty of folks never feel the need to upgrade.
The 590M is built around a 2.75 inch chamber, and the double-stack magazine is designed for 2.75 inch 12 gauge shells. It is not set up for 3 inch magnums, but standard buckshot, slugs, and field loads in 2.75 inch feed reliably. Stick with quality factory ammo and the pump action will digest just about anything.
| UPC | 015813502221 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 50222 |
| Barrel Length | 18.5" |
| Caliber/Gauge | 12 Gauge |
| Capacity | 10 + 1 |
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