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Mossberg 590A1 12 Gauge Magpul 9 Shot 20" Black
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$819.99
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SKU: 51773-015813517737
Overview
Built for close-quarters defensive use, this pump-action 12 gauge pairs a 20" barrel with an 8+1 capacity and a setup intended for practical handling in tight spaces. The heavy-walled barrel, metal trigger guard, and parkerized finish add durability-focused details, while the Magpul SGA/MOE stock provides an adjustable length of pull for a more tailored fit. XS Ghost Ring sights support fast target acquisition, making it a straightforward option for home defense or tactical applications. Its 3" chamber and 7.25 lb weight round out a configuration aimed at users who want a dependable, no-frills shotgun with adaptable ergonomics.
Why Hunters Choose the Mossberg
Heavy-walled Barrel
Metal trigger guard add durability-focused
Parkerized Finish
Long-lasting protection against corrosion
Magpul Sga/moe
Stock offers a comfortable grip
8+1 Capacity
Supports extended use without frequent
Xs Ghost
Ring sights are included for
Key Features
- Pump-action 12 gauge shotgun for home defense and tactical use.
- Heavy-walled 20-inch barrel and metal trigger guard add durability.
- Parkerized finish provides long-lasting protection against corrosion.
- Magpul SGA/MOE stock offers a comfortable grip and adjustable length of pull.
- 8+1 capacity supports close-quarters use.
- XS Ghost Ring sights included for aiming support.
Best Used For
- Home defense users wanting a pump-action shotgun with adjustable fit and close-quarters handling.
- Tactical shooters who prefer a 12-gauge platform with ghost ring sights and 8+1 capacity.
- Hunters seeking a durable shotgun with a heavy-walled barrel and metal trigger guard.
- Shooters needing a customizable length of pull for a more tailored shoulder fit.
Specifications
| Action Type | Pump-Action |
|---|---|
| Barrel Length | 20" |
| Barrel Type | Heavy-walled barrel |
| Blade Finish | Parkerized |
| Capacity | 8+1 |
| Chamber Size | 3" |
| Gauge | 12 |
| Length Of Pull | 12.25" - 14.25" |
| Length Of Pull Type | Adjustable |
| Overall Length | 39.5 in |
| Sights | XS Ghost Ring |
| Stock | Magpul SGA/MOE |
| Trigger Guard | Metal |
| Weight | 7.25 oz |
Pros
- Heavy-walled barrel and metal trigger guard add durability-focused construction.
- Parkerized finish provides long-lasting protection against corrosion.
- Magpul SGA/MOE stock offers a comfortable grip and adjustable length of pull.
- 8+1 capacity supports extended use without frequent reloading.
- XS Ghost Ring sights are included for quick target acquisition.
- 20-inch barrel suits close-quarters home defense and tactical applications.
Considerations & Trade-offs
- The 20" barrel and 8+1 capacity make this a close-quarters-focused setup, so it is less suited to roles that call for a more compact or higher-capacity configuration.
- The adjustable Magpul stock adds fit flexibility, but the 12.25"–14.25" length-of-pull range means users should confirm it matches their preferred shoulder position before buying.
- At 7.25 lb, it has enough heft to feel substantial in hand, which may be a consideration for extended carry or maneuvering.
- This model is presented for home defense and tactical use, so buyers looking for a field-oriented or general-purpose shotgun may want to compare features carefully.
Suggested Comparisons
- Home defense shotguns
- Pump-action shotguns
- Tactical shotguns
- 12 gauge shotguns
Suggested Accessories
- Shotgun sling
- Shell carrier
- Gun case
- Cleaning kit
Frequently Asked Questions
What is the magazine capacity of the Mossberg 590A1 12 Gauge Magpul 9 Shot 20" Black?
The listed capacity is 8+1.
Is the stock adjustable on this model?
Yes. The product data lists a Magpul SGA/MOE stock with an adjustable length of pull, shown as 12.25" to 14.25".
What type of action does this shotgun use?
It is a pump-action shotgun.
What sights are included?
The product lists XS Ghost Ring sights.
What are the key dimensions and chamber size provided in the product data?
The listed overall length is 39.5", the barrel length is 20", and the chamber size is 3".