Description
The Mossberg 590A1, XS Security 12 Ga, 3″ Chamber, 20″ Heavy Wall Barrel, Parkerized Black, Synthetic Stock with +4 Shell Holder and M-Lok Forend, 9Rd, XS Ghost Ring/AR Style Sights is a purpose-built, mil-spec pump-action shotgun designed for serious defensive use. It combines the legendary 590A1 toughness with modern modularity and enhanced sighting for a complete, no-fuss package right out of the box. At $704.06, it represents a significant value in the duty-grade shotgun market, offering features often found on more expensive, custom-configured guns.
Key Features
- Mil-Spec 590A1 Platform: Built to U.S. military 3443G standards with a heavy-walled barrel, metal trigger guard, and metal safety for maximum durability.
- Enhanced Sighting System: XS Ghost Ring rear sight paired with a front blade featuring a tritium dot for fast target acquisition in all lighting conditions.
- Modern Modularity: M-Lok compatible forend allows for direct attachment of lights, lasers, and vertical grips without bulky adapters.
- Loaded & Ready: Integrated +4 shell holder on the stock keeps crucial spare ammunition immediately accessible, boosting your on-board capacity.
- Practical Configuration: The 20″ barrel provides a solid balance between maneuverability and ballistic performance, making it suitable for both home defense and tactical training.
Specifications & Details
| Specification | Detail |
|---|---|
| Gauge | 12 Gauge |
| Chamber | 3″ |
| Barrel Length | 20″ Heavy Wall |
| Overall Length | Approx. 40.5″ |
| Capacity | 9+1 Rounds |
| Finish | Parkerized Black |
| Sights | XS Ghost Ring Rear / Tritium Front Blade |
| Stock | Synthetic with Shell Holder |
Weighing in at roughly 7.25 lbs unloaded, the 590A1 has a solid, authoritative feel that soaks up recoil but demands respect during extended carry. The parkerized finish is a classic, low-glare treatment that’s highly resistant to corrosion—a practical choice over flashier coatings. The ghost ring sights are a major upgrade for defensive shooting; they’re faster than a bead for most shooters and far more precise at moderate distances. Here’s the thing—this configuration saves you the time and money of adding these popular upgrades separately. The M-Lok forend is compatible with a vast array of accessories from brands like Streamlight, SureFire, and Magpul, letting you tailor the light setup to your exact needs without gunsmithing.
Who This Shotgun Is For
This shotgun is built for the budget-conscious buyer who refuses to compromise on core reliability. It’s for the home defender who wants a proven, go-to-war tool that’s ready from day one. It’s also an excellent choice for the tactical shotgun enthusiast or prepper seeking a versatile, durable platform for training and duty use. If you view a shotgun as a primary defensive tool and not a range toy, this configuration makes a compelling argument.
Pros & Cons
Pros: The mil-spec construction is overbuilt for civilian use, ensuring legendary Mossberg reliability. The included XS sights and shell holder are high-value additions that are often aftermarket purchases. The M-Lok forend offers modern mounting solutions. You get a complete, capable defensive package at a price point that’s hard to beat for a 590A1.
Cons: The weight is substantial—some may find it heavy for prolonged off-hand use. The parkerized finish, while tough, can show wear marks more readily than some modern ceramics. The ghost ring sight, while excellent, has a learning curve for shooters only familiar with a traditional bead.
Frequently Asked Questions
Q: Does the shell holder on the stock interfere with cheek weld?
A: For most shooters, the low-profile, side-mounted design does not interfere. It positions shells within easy reach without pushing your face off the stock. It’s a trade-off for immediate spare ammo access, but one most find favorable for a defensive role.
Q: Can the XS ghost ring sight be adjusted for windage and elevation?
A: Yes. The rear ghost ring aperture is fully adjustable, allowing you to zero the shotgun with your preferred load. The front sight is a fixed blade, but the tritium insert provides a crisp aiming point in low light.
Q: What is the main difference between this and a standard Mossberg 500?
A: The 590A1 series meets specific military durability standards, featuring a heavier barrel wall, a metal trigger guard, and a metal safety button. The standard 500 is a fantastic shotgun, but the 590A1 is built to a more rugged, duty-oriented specification—this model adds the premium sights and forend on top of that.
When you add up the cost of a base 590A1, a quality ghost ring sight set, an M-Lok forend, and a shell holder, this factory configuration at $704.06 starts to look like a very smart buy. It’s a focused tool that eliminates guesswork. This model is available at firearms-missouri.com for Missouri residents and nationwide, with an FFL transfer required for firearm purchases. See the full details on our site.
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