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Mossberg 590A1 XS Security 12 Ga 3" Chamber 20" Barrel Black Synthetic
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$699.99
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SKU: 50768-015813507684
Overview
Built for close-quarters defensive use, this 12-gauge pump shotgun pairs a 20-inch barrel with a 3-inch chamber to support a range of ammunition choices in a compact, manageable package. The fixed stock includes a storage compartment, adding a practical touch for users who want essential gear close at hand. With an 8+1 capacity, black synthetic finish, and Parkerized metal finish, it is aimed at hunters and outdoor users who also want a straightforward home-defense firearm. Its MilSpec-oriented construction and 7 lb weight reflect a no-frills setup focused on durability and control rather than embellishment.
Why Hunters Choose the Mossberg
20-inch Barrel
Manageable length for indoor use
3-inch Chamber
Supports a variety of ammunition
8+1 Capacity
Ample onboard rounds
Fixed Stock
Includes a storage compartment for
Black Synthetic
Finish and Parkerized metal finish
Key Features
- 12-gauge pump-action shotgun with a 3" chamber
- 20" barrel offers a compact overall length for indoor use
- 8+1 capacity supports extended loading
- Fixed stock includes a storage compartment
- Heavy-walled barrel with black Parkerized finish
- Black synthetic finish and 7 lb weight
Best Used For
- Home defense users wanting a manageable 20-inch pump shotgun for indoor handling.
- Personal protection buyers needing 12-gauge versatility with a 3-inch chamber.
- Shooters who prefer a fixed stock with built-in storage compartment.
- Users seeking a durable, MilSpec-minded shotgun with black synthetic furniture.
- Those wanting an 8+1 capacity shotgun for security-focused applications.
Specifications
| Action | Pump |
|---|---|
| Barrel Length | 20" |
| Capacity | 8+1 |
| Chamber | 3" |
| Gauge | 12 Gauge |
| Metal Finish | Black Parkerized |
| Overall Length | 41 in |
| Stock Description | Fixed w/Storage Compartment |
| Weight | 112 oz |
Pros
- 20-inch barrel offers a manageable length for indoor use
- 3-inch chamber supports a variety of ammunition options
- 8+1 capacity provides ample onboard rounds
- Fixed stock includes a storage compartment for added convenience
- Black synthetic finish and Parkerized metal finish suit hard-use applications
- MilSpec-oriented construction with heavy-walled barrel
Considerations & Trade-offs
- The 20" barrel and 41" overall length make this a compact security-oriented shotgun, but that setup is less suited to general-purpose sporting use than longer-barreled options.
- The fixed stock with storage compartment adds convenience, but it does not offer the adjustability of a collapsible or adjustable stock.
- At 7 lbs, it has enough heft to feel substantial in hand, which may be a consideration for users prioritizing the lightest possible carry.
- The 3" chamber supports a range of ammunition options, but users should still confirm load selection matches their intended use and the shotgun’s chambering.
Suggested Comparisons
- Home defense shotguns
- Pump-action shotguns
- 12 gauge shotguns
- Shotguns with storage-stock configurations
Suggested Accessories
- Shotgun sling
- Shell carrier
- Gun cleaning kit
- Gun safe or lockbox
Frequently Asked Questions
What gauge and chamber size does this shotgun use?
It is a 12 gauge shotgun with a 3" chamber.
What is the barrel length?
The barrel length is 20".
What is the capacity?
The listed capacity is 8+1.
Does it have a fixed stock or an adjustable stock?
It has a fixed stock with a storage compartment.
What finish is listed for the metal and stock?
The metal finish is Black Parkerized, and the stock is described as black synthetic.