# Mossberg 990 Aftershock 12 Gauge 14.75in Black

**Brand:** Mossberg
**Category:** Semi-Automatic Shotguns
**Caliber:** 12 Gauge

## Specifications

- **Caliber:** 12 Gauge
- **Barrel Length:** 14.75"
- **UPC:** 015813830010
- **SKU:** UCHGDDaM

## Description

The Mossberg 990 Aftershock is a semi-automatic 12 Gauge shotgun with a 14.75-inch barrel and a 5+1 round capacity. It has a matte blued receiver, black synthetic Aftershock grip, and an M-LOK forend. The 14.75-inch barrel puts this in a short-barreled shotgun configuration; transfer requires additional federal paperwork.

### Key Specifications
- **Brand**: Mossberg
- **Model**: 990 Aftershock
- **Caliber**: 12 Gauge
- **Action**: Semi Auto
- **Capacity**: 5+1
- **Barrel Length**: 14.75 inches
- **Color/Finish**: Matte Blued / Black

### Detailed Features
- 14.75-inch barrel with matte blued finish (short-barreled shotgun configuration; additional federal transfer paperwork required)
- M-LOK compatible forend with strap
- Black synthetic Aftershock grip
- 3-inch chamber
- Matte blued receiver

## Frequently Asked Questions

**Q: What caliber is the 990 Aftershock?**

A: The 990 Aftershock is chambered in 12 Gauge with a 3-inch chamber.

**Q: Who makes the 990 Aftershock?**

A: The 990 Aftershock is made by Mossberg.

**Q: What type of firearm is the 990 Aftershock?**

A: It is a semi-automatic shotgun with a 14.75-inch barrel, black synthetic Aftershock grip, and a matte blued receiver.

**Q: How many rounds does the 990 Aftershock hold?**

A: It has a 5+1 round capacity.

**Q: What is the barrel length of the 990 Aftershock?**

A: The barrel is 14.75 inches long with a matte blued finish.

**Q: Does the 990 Aftershock have an M-LOK forend?**

A: Yes, it features an M-LOK compatible forend with a strap.

**Q: Where can I buy the 990 Aftershock?**

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.*

> This really helps control. Love the controls on this gun.
>
> — [USCCA](https://www.youtube.com/watch?v=IM4JFXo6HGo&t=19s)

## What Customers Say

*AI-generated insights from customer reviews*

Owners who pick up the 990 Aftershock are typically after a compact, semi-auto 12 Gauge platform, and most report the M-LOK forend and strap setup as practical additions that actually get used. The 14.75-inch barrel makes it genuinely short, and opinions on handling vary by hand size and intended use.

The semi-auto action gets mixed reviews. Some owners cycle a wide variety of loads without issue; others find it particular about lighter loads and recommend sticking to standard or heavier shells. The matte blued finish is seen as functional rather than refined.

Value perception is split. The Aftershock commands a premium over standard pump guns, and not everyone thinks the semi-auto action in this format justifies the cost difference. Those who specifically want the 990 Aftershock configuration tend to be satisfied; buyers who expected performance closer to a full-size semi-auto sometimes feel let down.

## Pricing

**13 offers available**

| Vendor | Price |
|--------|-------|
| Impactguns Com | $819.99 |
| Grabagun Com | $839.99 |
| Gritrsports Com | $844.99 |
| Guns Com | $853.99 |
| Buds Gun Shop | $860.49 |
| Shootingsurplus Com | $865.24 |
| Kygunco Com | $866.99 |
| Palmettostatearmory Com | $889.99 |
| Brownells | $899.99 |
| Deguns | $918.99 |

*...and 3 more offers*

## Similar Products

- [Mossberg 990 Aftershock 12 Gauge 14.75in Black](https://gunsnation.com/p/mossberg-990-aftershock-12-gauge-14-75in-black/UCHGDDak)
- [Mossberg 990 Aftershock 12 Gauge 18.5in Black](https://gunsnation.com/p/mossberg-990-aftershock-12-gauge-18-5in-black/UCHGDDad)
- [Mossberg 990 Aftershock SPX 12 Gauge 14.375in Black](https://gunsnation.com/p/mossberg-990-aftershock-spx-12-gauge-14-375in-black/UCHGDDbq)
- [Mossberg 990 Aftershock SPX 12 Gauge 18.5in Matte Black](https://gunsnation.com/p/mossberg-990-aftershock-spx-12-gauge-18-5in-matte-black/UCHGDDcL)
- [Mossberg 990 Aftershock SPX 12 Gauge 14.375in OD Green](https://gunsnation.com/p/mossberg-990-aftershock-spx-12-gauge-14-375in-od-green/UCHGDDcE)
- [Mossberg 990 Aftershock SPX 12 Gauge 14.375in Flat Dark Earth](https://gunsnation.com/p/mossberg-990-aftershock-spx-12-gauge-14-375in-flat-dark-earth/UCHGDDc7)

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