The Mossberg 990 Aftershock is built for the demanding shooter who needs compact firepower and rapid response. With a 14.75″ barrel, 5-round capacity, and semi-automatic action, this 12-gauge tactical shotgun is ideal for home defense, vehicle storage, or close-quarters operations.


🔧 Key Features

  • Chambered in 12 Gauge (3″) – Handles both 2¾” and 3″ shells for load versatility.

  • Short 14.75″ Barrel – Compact length enhances mobility in confined spaces.

  • Semi-Auto Action – Delivers fast, reliable follow-up shots with reduced recoil.

  • Durable Black Synthetic Stock – Lightweight, rugged, and built to withstand hard use.

  • Corrosion-Resistant Finish – Built to perform in tough environments.

  • 5+1 Capacity – Tactical-ready magazine tube for defensive confidence.

  • Non-Threaded Barrel – Simple and streamlined, ideal for users who want straightforward reliability.


📊 Specifications

Feature Details
Manufacturer Mossberg
Model 990 Aftershock
Action Semi-Automatic
Caliber/Gauge 12 Gauge
Shell Length 3″ (also accepts 2¾”)
Barrel Length 14.75″
Capacity 5+1
Finish Black
Stock Black Synthetic
Threaded Barrel No
Centerfire/Rimfire Centerfire
Condition New in Box
UPC 015813830010
MPN 83001