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Mossberg fans have been asking for one thing for years: a 590 that plays nice with a true pistol grip and AR-style stock. The classic tang safety is great with a traditional stock, but it gets awkward the second you add a vertical grip. The 590R solves that with an ambidextrous rotary safety selector mounted right where your thumb already lives, so you can flick it on and off without ever breaking your firing grip. That one change makes this the most natural-handling tactical 590 in the lineup, especially if you spend most of your range time behind an AR.
This Stand-Off model, part number 50761, wears an 18.5-inch cylinder bore barrel with a breacher-style stand-off device up front and a single-piece heat shield integrated into the barrel assembly. The 3-inch chamber feeds from a 6+1 tube, and the enlarged, beveled loading port with exposed follower makes topping off faster and easier on the thumbs. Mossberg also gave it a flat-profile trigger with a clean, crisp break, which is a noticeable step up from what most factory pump guns ship with.
The 5-position adjustable stock runs from a 12-inch to a 15.25-inch length of pull, so it fits smaller-framed folks, works around body armor, and stretches out for taller users. The Magpul MOE pistol grip, interchangeable recoil pad, and two QD sling ports round out the furniture, while the compact, ergonomically shaped forend keeps your support hand locked in through fast pump strokes. The inline stock design also helps tame muzzle rise compared to a traditional shotgun stock.
Up top you get a full-length Picatinny rail sized for AR-style red dots, so mounting your favorite optic takes minutes. A forward M-LOK bracket handles lights and other accessories. At roughly 36.4 inches overall and around 7 pounds, the 590R stays quick through doorways and easy to maneuver, which is exactly what you want from a defensive 12 gauge. This is a serious working shotgun for home defense, duty use, or anyone who wants 590 reliability with modern controls.
Instead of the traditional tang-mounted safety found on the 500 and standard 590 series, the 590R uses an ambidextrous AR-style rotary safety selector positioned above the pistol grip. This lets you operate the safety with your thumb without breaking your firing grip, which is a big deal on a pistol-grip shotgun. It works identically for right and left handed users.
Yes, that is exactly what it was set up for. The receiver wears a full-length top Picatinny rail optimized for AR-style optics, so most red dots and their standard mounts bolt right on. Keep in mind this model ships without iron sights, so plan on adding an optic before your first range trip.
The serrated stand-off attachment on the muzzle is a breacher-style feature originally designed for door breaching, where it maintains proper spacing and vents gas when the muzzle is pressed against a surface. For most owners it doubles as a rugged muzzle guard and gives the gun its distinct tactical look. The bore behind it is a straight cylinder choke, ideal for buckshot at close range.
No, this model feeds from a traditional under-barrel tube holding 6 rounds plus one in the chamber. If you want the detachable box magazine version, look at the 590RM, which runs 10-round mags. The 590R's tube-fed setup keeps the gun slimmer and pairs with an enlarged, beveled loading port that makes reloads noticeably smoother.
| UPC | 015813507615 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 50761 |
| Action | |
| ATF Type | Shotgun |
| Barrel Length | 18.5" |
| Caliber/Gauge | 12 Gauge |
| Capacity | 6 + 1 |
| Chokes Included | Cylinder Bore |
| Color | PARKERIZED |
| Length | 46.3000 |
| Magazine Included | 1 x 7-Round |
| Model | |
| Package Height | 3.5 |
| Package Width | 9.0 |
| Product Type | Shotgun |
| Shipping Weight | 9.6 |
| Sights | No Sights |
| Sights Type | Night Sights |
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