Mossberg 990 Aftershock! 12 gauge HAND CANNON!

Published on September 9, 2025
Duration: 11:48

This review of the Mossberg 990 Aftershock highlights its semi-automatic 12 gauge operation and unique bird's head grip configuration. The firearm is noted for its compatibility with Mossberg 500/590 A1 furniture and its smoothbore, non-NFA transfer status. Testing involved various buckshot and slug loads, revealing significant recoil with full-power ammunition, particularly in the bird's head configuration. The reviewer expresses anticipation for adding a traditional stock for improved accuracy and control.

Quick Summary

The Mossberg 990 Aftershock is a semi-automatic 12 gauge shotgun with a bird's head grip, compatible with Mossberg 500/590 A1 furniture. It fires 2.75" and 3" shells and is not an NFA item unless a stock is added. Recoil is substantial with full-power loads in the bird's head configuration.

Frequently Asked Questions

What is the Mossberg 990 Aftershock?

The Mossberg 990 Aftershock is a semi-automatic 12 gauge shotgun featuring a bird's head grip. It is designed for versatility and can accept Mossberg 500 and 590 A1 furniture, offering customization options for users.

Is the Mossberg 990 Aftershock an NFA item?

The Mossberg 990 Aftershock, in its configuration as presented with a bird's head grip and no traditional stock, is a smoothbore firearm that transfers as a firearm and is not an NFA item. Adding a stock would change its classification.

What kind of ammunition can the Mossberg 990 Aftershock fire?

The Mossberg 990 Aftershock is chambered for both 2.75-inch and 3-inch 12 gauge shells. It performs well with respectable power loads, including various buckshot and slug options, though very light loads may not cycle reliably.

How is the recoil of the Mossberg 990 Aftershock with a bird's head grip?

Recoil can be significant with full-power ammunition when using the bird's head grip configuration. The reviewer describes it as a 'monster to hold on to,' suggesting that adding a traditional stock would greatly improve controllability.

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