# Mossberg 990 Aftershock SPX 12 Gauge 14.375in Black

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

## Specifications

- **Caliber:** 12 Gauge
- **Barrel Length:** 14.38"
- **Finish:** Matte Blued
- **UPC:** 015813830102
- **SKU:** UCHGDDbq

## Description

The Mossberg 990 Aftershock SPX is a semi-automatic 12 gauge shotgun built on a short 14.375-inch barrel with a 3-inch chamber and 5+1 capacity. It pairs a compact AfterShock pistol grip with an M-LOK forend and integrated heat shield, giving it a tight, maneuverable footprint suited to close-range use. The matte blued finish and black furniture keep the build straightforward and low-maintenance.

### Key Specifications
- **Brand:** Mossberg
- **Model:** 990 Aftershock SPX
- **Gauge:** 12 Gauge
- **Action:** Semi-Automatic
- **Capacity:** 5+1
- **Barrel Length:** 14.375 in
- **Chamber:** 3 in
- **Finish:** Matte Blued
- **Color:** Black

### Detailed Features
- Fixed cylinder-style choke keeps the pattern simple and consistent at close range.
- Optic-ready receiver uses a Shield RMSc footprint and ships with three adapter plates for RMR, Docter, and Leupold-pattern optics.
- M-LOK forend includes an integrated heat shield and QD sling ports for accessory mounting.
- AfterShock grip is shaped to help manage felt recoil during rapid follow-up shots.
- Enlarged, beveled loading port and an oversized bolt release and safety speed up reloads and manipulation under stress.

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the 990 Aftershock line generally trust Mossberg's gas system to keep cycling light and heavy 12 gauge loads without much fuss, and the shorter action tends to hold up well under repeated range sessions. A few users note the felt recoil is sharper than a full-stock shotgun given the compact size and lighter weight, though the AfterShock grip is usually credited with taking some of the sting out of it.

Handling opinions split along expected lines. Shooters who want a short, quick-swinging platform for home defense or a truck gun like how little space it takes up and how fast it comes on target. Others find the pistol-grip-only stance takes practice to shoot accurately, and the shorter sight radius makes the RMSc-pattern optic mount a popular first upgrade rather than an afterthought.

On value, the 990 Aftershock is usually seen as an affordable way into the compact tactical shotgun category next to pricier competitors. The M-LOK forend and optic-ready cut are appreciated for accepting common accessories without gunsmithing, and aftermarket support for lights, slings, and optic plates continues to grow around this platform.

## Pricing

**7 offers available**

| Vendor | Price |
|--------|-------|
| Gunbuyer Com | $879.99 |
| Gritrsports Com | $900.99 |
| Buds Gun Shop | $967.99 |
| Impactguns Com | $988.19 |
| Kygunco Com | $989.99 |
| Grabagun Com | $999.99 |
| Guns Com | $1021.99 |

## Similar Products

- [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)
- [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 12 Gauge 14.75in Black](https://gunsnation.com/p/mossberg-990-aftershock-12-gauge-14-75in-black/UCHGDDaM)
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- [Mossberg 990 Aftershock 12 Gauge 14.75in Black](https://gunsnation.com/p/mossberg-990-aftershock-12-gauge-14-75in-black/UCHGDDak)

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