# Mossberg 590A1 Tactical Pump Shotgun, 12 GA, Magpul SGA Stock

**Brand:** Mossberg
**Category:** Pump-Action Shotguns
**Caliber:** 12 Gauge

## Specifications

- **Caliber:** 12 Gauge
- **Barrel Length:** 20"
- **Capacity:** 8 rounds
- **Finish:** Black Parkerized
- **Weight:** 116 oz
- **Overall Length:** 39.5"
- **UPC:** 015813517737
- **SKU:** UCHGBuLh

## Description

The Mossberg 590A1 is a pump-action 12 Gauge shotgun built to military specifications, with a heavy-walled 20-inch barrel and a black Parkerized finish that resists corrosion and hard use. The 8+1 capacity, XS Ghost Ring sights, and Magpul SGA stock make it a capable defensive and tactical platform.

### Key Specifications
- **Brand:** Mossberg
- **Model:** 590A1 Pump Shotgun
- **Caliber/Gauge:** 12 GA
- **Capacity:** 8+1 rounds
- **Barrel Length:** 20 inches
- **Overall Length (OAL):** 39.5 inches
- **Weight:** 7.25 lbs (116 oz)
- **Chamber Size:** 3 inches
- **Action Type:** Pump Action
- **Sights:** XS Ghost Ring (Rear), Protected Blade (Front)
- **Finish/Color:** Black Parkerized
- **Stock Material:** Synthetic with Fixed Magpul SGA

### Detailed Features
The heavy-walled barrel is thicker than standard Mossberg 500 barrels and handles high round counts without deforming. The Parkerized finish is matte and corrosion-resistant, functional over flashy. The XS Ghost Ring rear sight pairs with a protected blade front for fast, accurate target acquisition. The Magpul SGA stock adjusts length-of-pull from 12.25 to 14.25 inches to fit different shooters. The tang-mounted safety works ambidextrously. The fore-end has a firm, non-slip texture for reliable pump operation.

### Usage Scenarios
- Home defense where high capacity and reliable cycling are priorities.
- Law enforcement or security training applications.
- Competitive 3-gun or tactical shooting where a proven pump gun is needed.

## Frequently Asked Questions

**Q: What caliber is the Mossberg 590A1?**

A: The 590A1 is chambered in 12 Gauge.

**Q: Who makes the 590A1?**

A: The 590A1 is made by Mossberg.

**Q: What type of firearm is the Mossberg 590A1?**

A: It is a pump-action shotgun with a heavy-walled 20-inch barrel and a black Parkerized finish.

**Q: What is the barrel length of the Mossberg 590A1?**

A: The 590A1 has a 20-inch barrel.

**Q: How many rounds does the Mossberg 590A1 hold?**

A: It has an 8+1 capacity.

**Q: What sights does the Mossberg 590A1 have?**

A: It has XS Ghost Ring rear sights paired with a protected blade front sight.

**Q: What stock does the Mossberg 590A1 come with?**

A: It comes with a fixed Magpul SGA stock that adjusts length-of-pull from 12.25 to 14.25 inches.

**Q: Where can I buy the Mossberg 590A1?**

A: Compare current vendor offers on this page.

## What Reviewers Say

*Quoted verbatim from YouTube reviews. Each link opens the video at the moment quoted.*

> I like to keep my finger away from the trigger um so it makes more sense for me to have that on top so I do like that a lot.
>
> — [The Armed Scotsman](https://www.youtube.com/watch?v=C0RXWSQryQs&t=144s)

> You're at the wall nice break and then your reset little bit of a let out tactile and positive decent little trigger.
>
> — [The Armed Scotsman](https://www.youtube.com/watch?v=C0RXWSQryQs&t=183s)

> This is a brand new shotgun the most durable that mosb offers and here I am with shells just randomly falling out of my gun.
>
> — [The Armed Scotsman](https://www.youtube.com/watch?v=C0RXWSQryQs&t=436s)

> I'm not paying for this to send this back this is a brand new gun.
>
> — [The Armed Scotsman](https://www.youtube.com/watch?v=C0RXWSQryQs&t=486s)

> I went back out to the range and it ran flawlessly no problems uh whatsoever.
>
> — [The Armed Scotsman](https://www.youtube.com/watch?v=C0RXWSQryQs&t=566s)

## What Customers Say

*AI-generated insights from customer reviews*

The Mossberg 590A1 Tactical with Magpul SGA stock gets strong reviews from home defense users and tactical shooters. Build quality is the most consistent positive. The heavy-walled barrel and Parkerized finish hold up to sustained use. The military-spec construction gives many buyers confidence in its long-term reliability.

The Magpul SGA stock gets specific praise for ergonomics and the adjustable length-of-pull. Customization is another frequently mentioned plus: the platform accepts lights, slings, and optics without much effort.

Weight at 7.25 lbs is noted occasionally as a downside for those in tight-space scenarios. Recoil with 12 Gauge defensive loads is manageable for most users, though a small number add aftermarket recoil pads for extended sessions. A few users note the gun feels bulkier than some competitors.

Overall, the 590A1 is one of the more trusted pump shotguns in its class, and the combination of ghost ring sights and Magpul furniture puts it ahead of base-model pump guns for defensive use.

## Pricing

**17 offers available**

| Vendor | Price |
|--------|-------|
| Gritrsports Com | $759.99 |
| Grabagun Com | $769.99 |
| Buds Gun Shop | $781.99 |
| Shootingsurplus Com | $784.65 |
| Guns Com | $797.99 |
| Centerfiresystems Com | $797.99 |
| RK Guns | $799.99 |
| Globalordnance Com | $811.47 |
| Impactguns Com | $812.29 |
| Gunbuyer Com | $815.24 |

*...and 7 more offers*

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*Data from [GunsNation](https://gunsnation.com)*