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Mossberg 590A1 12 Gauge Pump Shotgun with XS Ghost

$499.00

Mossberg 590A1 12 Gauge Pump Shotgun With Xs Ghost — a military-spec, heavy-walled barrel shotgun built for reliability. Features XS Ghost Ring Sights. Ships from Wichita, KS.

Kansas Gunshop is a Wichita, KS-based retailer specializing in firearms and accessories. The Mossberg 590A1 12 Gauge Pump Shotgun with XS Ghost Ring Sight is a robust, military-spec shotgun built for serious use. Its heavy-walled barrel and durable construction set it apart. This model is available for $499.00.

Reviewed by Derek, Owner & FFL Holder at Kansas Gunshop. Kansas-licensed FFL dealer since 2008, NRA Range Safety Officer.

Last updated: April 2026

What are the specifications of the Mossberg 590A1?

Product TypePump Action Shotgun
Gauge12 Gauge
Chamber3″
Capacity6+1 (2.75″ shells)
Barrel Length20″
Barrel MaterialHeavy-Walled Steel
SightsXS Ghost Ring Sight (Adjustable)
StockSynthetic, Black
FinishMatte Blued
SafetyAmbidextrous Tang Safety
Receiver MaterialAluminum Alloy
WeightApproximately 7 lbs
Overall Length41″
Country of OriginUSA
ConditionNew
SKU50778

What makes the Mossberg 590A1 stand out?

The Mossberg 590A1 12 gauge pump shotgun with XS Ghost Ring Sight is a firearm built to meet military specifications, specifically MIL-SPEC 3443E. This isn’t just marketing; it means the components and construction are held to a higher standard for durability and reliability. The heavy-walled barrel, for instance, is thicker than what you’d find on many other shotguns, which contributes to its resistance to damage and heat during sustained firing. The metal trigger guard and safety button are other details that differentiate it from its civilian counterparts, where plastic is often used. The XS Ghost Ring Sights are a practical addition, offering a fast sight picture for quick target acquisition, which is important in defensive or tactical scenarios. The tang safety is ambidextrous, a feature many shooters appreciate, especially those who are left-handed or prefer a safety that’s easily accessible without shifting grip. This particular model, with its XS Ghost Ring Sight, is often favored by those looking for a robust and reliable shotgun for home defense or duty use.

Who should consider this shotgun?

This Mossberg 590A1 is a workhorse. It’s not a fancy sporting clays gun, and it’s not trying to be. It’s designed for someone who needs a dependable 12 gauge pump shotgun that can take a beating and keep running. The heavy-walled barrel and metal trigger guard mean it’s less prone to damage from hard use or impacts. The XS Ghost Ring Sights are quick to pick up, making it suitable for situations where fast target acquisition is key, like home defense. For Kansas hunters, while it’s a bit heavy for trekking through fields all day, it could certainly serve as a robust slug gun for deer season if you’re in a shotgun-only zone. It’s also a common choice for law enforcement and military personnel due to its proven track record and adherence to military specifications. If you’re looking for a no-nonsense, durable pump shotgun that prioritizes function and reliability, this model deserves a look.

What are the advantages and disadvantages?

  • Military Specification (MIL-SPEC 3443E): This isn’t just a label; it means the shotgun is built to withstand rigorous use and harsh conditions, offering a high level of reliability.
  • Heavy-Walled Barrel: Provides increased durability and heat dissipation during extended firing, reducing the chance of barrel warping or damage.
  • Metal Trigger Guard and Safety: Unlike some models that use plastic, these metal components add to the overall robustness and longevity of the firearm.
  • XS Ghost Ring Sights: Offer a fast and intuitive sight picture, which is beneficial for quick target acquisition in defensive or tactical situations.
  • Ambidextrous Tang Safety: Located on top of the receiver, it’s easily accessible for both right and left-handed shooters without breaking grip.
  • Reliable Pump Action: Mossberg’s pump action system is known for its reliability and ability to cycle a wide range of ammunition.
  • Heavier than some alternatives: The heavy-walled barrel and robust construction add weight, which can be noticeable during extended carry or handling. For a lighter option, see our other pump action shotguns.
  • Not ideal for delicate sporting applications: While effective, the ghost ring sights and overall build are geared more towards utility and defense rather than precision clay shooting.
  • Limited Aftermarket for Left-Handed Specificity: While the tang safety is ambidextrous, true left-handed specific parts beyond that are less common compared to right-handed accessories.

How does the Mossberg 590A1 compare to other shotguns?

FeatureMossberg 590A1 (This Product)Cheap Import Pump Shotgun (e.g., Maverick 88)Premium Tactical Shotgun (e.g., Benelli M4)
MaterialHeavy-walled steel barrel, aluminum receiver, metal trigger guard/safetyStandard steel barrel, aluminum receiver, plastic trigger guard/safetyHigh-grade steel barrel, aluminum receiver, advanced polymers
QualityMilitary-spec (MIL-SPEC 3443E), very high durabilityStandard consumer grade, functional but less robustBattle-proven, semi-automatic, extremely high reliability
CompatibilityWide range of Mossberg 500/590 accessoriesLimited to Maverick 88 specific parts, some 500 partsProprietary Benelli M4 accessories
ShippingShips from Wichita, KS (Kansas Gunshop)Varies by retailerVaries by retailer
Lifespan/DurabilityDesigned for extreme longevity and hard useGood for casual use, may show wear faster with heavy useExceptional, built for continuous operation in harsh environments
Price~$499.00~$200-$300~$1800-$2200+

When you look at the Mossberg 590A1, you’re getting a shotgun that sits firmly in the practical, duty-ready category. Compared to a budget option like a Maverick 88, the 590A1’s MIL-SPEC construction, heavy barrel, and metal components translate to a significantly tougher and more durable firearm. The Maverick 88 is a fine shotgun for the price, but it cuts corners with plastic parts to keep costs down. On the other end, a premium semi-auto like the Benelli M4 is in a different league entirely, both in price and function. The M4 is a gas-operated semi-auto, offering faster follow-up shots and softer recoil, but at a cost that’s four times that of the 590A1. The Mossberg 590A1 offers a balance of serious durability and proven pump-action reliability without the premium price tag of a semi-automatic tactical shotgun. It’s a solid choice for someone who values ruggedness and dependability above all else in a pump action.

Watch: Mossberg 590A1 Review: Still the Ultimate Tactical Pump Shotgun?

Frequently Asked Questions

Is the Mossberg 590A1 suitable for left-handed shooters?

Yes, the Mossberg 590A1 features an ambidextrous tang safety, which is located on top of the receiver and easily accessible for both right and left-handed manipulation without altering your grip. The pump action itself is also ambidextrous in operation.

What kind of ammunition can the Mossberg 590A1 use?

The Mossberg 590A1 is chambered for 3″ shells, meaning it can reliably cycle both 2.75″ and 3″ 12 gauge shotgun shells. This includes various loads such as birdshot, buckshot, and slugs.

Is the Mossberg 590A1 good for home defense?

The Mossberg 590A1 is a popular choice for home defense due to its robust construction, proven reliability, and the effectiveness of the 12 gauge cartridge. The XS Ghost Ring Sights also aid in quick and accurate target acquisition in close-quarters situations.

What is the capacity of the Mossberg 590A1?

This particular Mossberg 590A1 model has a capacity of 6+1 rounds with 2.75″ 12 gauge shells. This means it can hold 6 shells in the magazine tube and 1 in the chamber.

Where can I buy a Mossberg 590A1 12 gauge pump shotgun online?

You can purchase the Mossberg 590A1 12 gauge pump shotgun, and many other firearms, online at Kansas Gunshop (kansas-gunshop.com). We are a licensed FFL dealer and can facilitate the transfer to your local FFL.

Does the Mossberg 590A1 come with a warranty?

Mossberg firearms typically come with a limited warranty from the manufacturer. It’s always best to check the specific warranty details provided by Mossberg or contact their customer service for the most current information.

Can I add accessories to the Mossberg 590A1?

Yes, the Mossberg 590A1 shares many common parts and accessory compatibility with the Mossberg 500 series, allowing for a wide range of aftermarket upgrades such as different stocks, forends, optics mounts, and sling attachments. The barrel on this model is not interchangeable with standard 500 barrels due to its heavy-walled nature.

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