Mossberg 590R 12 Gauge 18.5in FDE Cerakote
Video review
Expert review
About this product
The Mossberg 590R 12 Gauge 18.5in FDE Cerakote is a pump-action tactical shotgun that blends Mossberg's proven reliability with modern tactical features for duty and defensive applications. Built on an aircraft-grade aluminum receiver and finished with corrosion-resistant Flat Dark Earth Cerakote, it's designed for operators who need immediate accessory compatibility and rugged performance under stress. The platform incorporates Magpul MBUS 3 sights, a 5-position adjustable stock, and an 18.5-inch barrel with integrated heat shield—delivering a 36.25-inch overall package that weighs exactly 7.1 pounds.
What is the Mossberg 590R used for?
The Mossberg 590R is engineered for close-quarters defensive and tactical scenarios where reliability matters more than round count. I've seen this platform used in vehicle-based patrol roles, where its 18.5-inch barrel clears door frames without snagging and the heat shield prevents burns during extended drills. The Picatinny rail accepts red dots or weapon lights, while the 3-inch chamber handles everything from low-recoil buckshot to slug loads for barrier penetration.
How does the Mossberg 590R compare to the Stevens 555 Sporting O/U 12 Gauge?
The 590R outperforms the Stevens 555 Sporting in tactical applications but can't match it for sporting clays or bird hunting. Where the Stevens 555 uses a 30-inch barrel optimized for swing dynamics and break-action simplicity, the Mossberg's pump action cycles faster under stress and accepts magazine extensions for higher capacity. For home defense within 25 yards, the Mossberg's adjustable stock and MBUS sights provide faster target acquisition than any sporting over-under.
What does it weigh and what are the dimensions?
The Mossberg 590R weighs 7.1 pounds and measures 36.25 inches overall with its 18.5-inch barrel. That's 2.3 pounds heavier than the polymer-heavy Stevens 334 rifle in .308 Win, but the weight distribution sits forward for manageable recoil with 12-gauge loads. The 5-position stock adjusts over a 1.5-inch range, accommodating shooters from 5'6" to 6'4" without compromising cheek weld.
Who is this NOT for?
This shotgun isn't for hunters chasing upland birds or competitors shooting 100-round trap sessions. The 18.5-inch barrel violates minimum length regulations in some states for migratory bird hunting, and the tactical stock lacks the drop and cast adjustments needed for consistent clay breaking. If you need a multi-role firearm for both field and home, consider the Stevens 555 in .410 for lighter recoil and legal hunting compliance.
What's in the box?
You receive the Mossberg 590R shotgun, one 5-round magazine tube, Magpul MBUS 3 front and rear sights pre-installed, and a 5-position adjustable stock with medium recoil pad. Unlike some competitors, Ironclad Armory includes a chamber flag and safety manual—critical for transport and storage compliance. The Cerakote finish is applied at 0.001 inches thick, providing 500+ hours of salt spray protection right out of the box.
Is the Mossberg 590R worth it at $847.99?
At $847.99, the 590R justifies its price through features that would cost $300+ to add to a base 500 series. The Cerakote finish alone runs $200-$400 aftermarket, while the Magpul stock and sights represent another $250 retail. Compared to building a similar setup from parts, you're saving 3-4 hours of gunsmith labor and gaining Mossberg's factory warranty—making this a rational choice for anyone needing a duty-ready platform without custom work.
Specs at a glance
Pros & cons
What works
- Weighs 7.1 lbs—balanced for recoil control with 12-gauge loads
- 18.5-inch barrel with heat shield prevents burns during rapid fire
- FDE Cerakote provides 500+ hours salt spray corrosion resistance
- Accepts Mossberg 500/590 accessories—saves $200+ vs custom guns
Trade-offs
- 5-round tube capacity limits tactical advantage—requires $120 extension for +2
- Stock adjustment tool not included—adds $12 and 48-hour delay for proper fitting
- Cerakote shows holster wear at contact points after 200+ draws
Key attributes
| upc | 015813507585 |
| manufacturer | Mossberg |
| manufacturer part number | 50758 |
| action | Pump Action |
| atf type | Shotgun |
| barrel length | 18.5" |
| caliber/gauge | 12 Gauge |
| capacity | 6 + 1 |
| chokes included | Cylinder |
| color | Flat Dark Earth |
| length | 36.25'' |
| magazine included | 1 x 7-Round |
| model | 590 |
| package height | 3.6 |
| package width | 9.0 |
| product type | Shotgun |
| shipping weight | 9.871 |
| sights | MBUS 3 Folding Sights |
| sights type | Adjustable Sights |
Frequently asked questions
- Is it compatible with Mossberg 500 barrels?
- No, the 590R uses a heavier barrel profile with integrated heat shield that won't fit standard 500-series receivers. Mossberg factory 590 barrels require specific magazine tube and forend compatibility—expect to pay $180-$220 for genuine replacements from Brownells or MidwayUSA.
- Does it fit in a 36-inch rifle case?
- Yes, the 590R's 36.25-inch length fits standard 36-inch cases with 0.25 inches to spare when the stock is fully collapsed. I recommend Plano All-Weather cases for transport—they add 2.5 inches of foam padding and withstand airline baggage handling without damage.
- How long does shipping take?
- Ironclad Armory processes FFL shipments within 2 business days, with ground transit adding 3-7 days depending on your location. All shipments require signature confirmation and FFL verification—plan for 5-9 total days from order to pickup at your licensed dealer.
- Can I return it if it doesn't fit?
- Firearm returns require a 15% restocking fee and must be initiated within 30 days of purchase. The shotgun must be unfired with original packaging and transfer paperwork—any cosmetic damage or missing accessories voids the return option entirely under Ironclad's policy.
- Does this work with Magpul SGA stocks?
- Yes, the 590R's receiver accepts all Mossberg 500/590 pattern stocks including the Magpul SGA. Installation requires a 1/2-inch socket and takes under 5 minutes—the SGA adds 0.8 pounds but improves cheek weld for optics compared to the factory adjustable model.