Description
Mossberg has been building pump guns longer than most of us have been alive, and the 590R is what happens when they let the tactical side of the house rework the controls. The big change is the ambidextrous rotary safety selector mounted where an AR safety sits. If you spend most of your range time behind a carbine, your thumb finds it without thinking, and unlike a tang safety it works exactly the same whether you are running the pistol grip stock collapsed or fully extended. Mossberg also fitted a flat profile trigger with a shorter, cleaner break than the standard 590 unit, which is a welcome upgrade on a working shotgun.
What Sets the 590R Cerakote Apart
This model 50759 wears Olive Drab Green Cerakote across the receiver, barrel, heat shield, and magazine tube, so it shrugs off moisture and holding-hand sweat better than a standard blued gun. The 18.5-inch barrel uses an integrated one-piece heat shield and takes Accu-Choke tubes, with a cylinder bore choke installed from the factory. Up top, a Picatinny rail carries Magpul MBUS 3 folding sights set at a height that plays well with common red dots, so you can add an optic later without giving up your irons. The enlarged, beveled loading port with exposed follower makes topping off the 6+1 tube faster and easier on the thumbs, especially with gloves on.
Running the Mossberg 590R Day to Day
Underneath the modern furniture, this is still the 590 that earned its keep with dual extractors, twin action bars, positive steel-to-steel lockup, and an anti-jam elevator in an aircraft-grade aluminum receiver. The 3-inch chamber digests everything from light target loads to full-power buck and slugs. Magpul handles the ergonomics with an MOE+ pistol grip and a 5-position adjustable stock that dials length of pull from 12 to 15.25 inches, plus two QD sling ports and an interchangeable recoil pad. At 36.25 inches overall and right around 7 pounds, it stays quick through doorways and easy to stage, which is exactly what you want from a home defense shotgun.
Key Specifications
- Manufacturer: Mossberg
- Model: 590R Cerakote
- MPN: 50759
- UPC: 015813507592
- Gauge: 12 Gauge, 3" Chamber
- Action: Pump Action
- Barrel Length: 18.5" with Integrated Heat Shield
- Capacity: 6+1
- Choke System: Accu-Choke, Cylinder Bore Installed
- Sights: Magpul MBUS 3 Folding Sights
- Safety: Ambidextrous AR-Style Rotary Selector
- Stock: 5-Position Adjustable with MOE+ Pistol Grip
- Length of Pull: 12" to 15.25" Adjustable
- Overall Length: 36.25"
- Weight: Approx. 7.1 lbs
- Finish: OD Green Cerakote
What’s Included
- Mossberg 590R Cerakote 12 Gauge Shotgun
- Cylinder Bore Accu-Choke Tube (Installed)
- Magpul MBUS 3 Folding Sights (Installed)
- Owner's Manual
- Cable Lock
Frequently Asked Questions
Can I mount a red dot on the Mossberg 590R?
Yes, the receiver wears a top Picatinny rail sized for AR-style optics, so most micro red dots bolt right on. The included Magpul MBUS 3 folding sights sit at a height that co-witnesses with common dot optics, so you keep a backup aiming solution if your battery dies.
Does the 590R take choke tubes or is it a fixed cylinder bore?
This model 50759 uses Mossberg's Accu-Choke system and ships with a cylinder bore tube installed. That means you can swap in tighter constrictions later if you want to pattern buckshot differently or stretch its legs a bit. Cylinder bore is the standard choice for defensive loads at typical indoor distances.
How is the rotary safety different from a regular Mossberg 590 safety?
Classic 590s use a tang-mounted slide safety on top of the receiver, which gets awkward with a pistol grip stock. The 590R replaces it with an ambidextrous AR-style rotary selector at the thumb, so it runs naturally with the Magpul grip and works identically for lefties. If you already train with a carbine, the manual of arms carries straight over.
What ammo can the Mossberg 590R Cerakote handle?
The 3-inch chamber accepts both 2.75-inch and 3-inch 12 gauge shells, from light birdshot for practice up to magnum buckshot and slugs. The proven 590 action with dual extractors and twin action bars cycles the full range reliably, and the adjustable recoil pad setup helps take the sting out of heavier loads.




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