Mossberg 590s Shockwave 12GA 18.5" 9+1

In stock
as of 09/24/2023 7:20PM CST
Store Inventory
Available OnlineMore than 5
Fountain Valley, CAMore than 5
The Colony, TXOut of stock
SKU: MS-51600
MPN: 51600
UPC: 015813516006

Inter-Store Transfer

If this item is out of stock at your local RifleGear but available at our other location, no problem. Just place your order and select In-Store Pickup as the shipping method. As long as the item is legal in your location, we will transfer the item for you. You will be notified by email once your item has arrived at the destination.

The Mossberg 590S offers excellent flexibility when it comes to shot shell lengths. The 590S accepts 1.75", 2.75" or 3" shells and allows for a combination of the listed shell lengths.

The 590 Shockwave features a 18.5" barrel, bead sight, 590 pump-action with dual extractors, twin action bars, steel to steel lockup and anti-jam elevator for smooth operation. A top mounted ambidextrous safety, matte blued finish and magazine clean-out tube come as standard features.

Gauge 12
Chamber Size 3", 2.75", 1.75"
Capacity 9+1, 6+1, 5+1
Barrel 18.5"
Sights Bead Front
Chokes Cylinder Bore
Overall Length 30.75"
Length Of Pull N/A
Barrel Finish Matte Blued
Stock Raptor Grip, Corncob Forend
Weight 5.5 lb

Important note about our photos
While we make every effort to ensure that our product photos are accurate, manufacturers occasionally change the design of components such as triggers, sights, or magazines without notice. Also, modifications to the firearm or component may be required in order to meet specific state compliance requirements. While we make every effort to accurately describe and illustrate the item you are going to receive, there may be visual differences on various components that do not affect functionality.

Federal law requires that you be 21 years of age or older to purchase a handgun, frame or receiver. To purchase a shotgun or rifle, you must be 18 years of age or older. 18 U.S.C. Section 922(b)(1).

As required by federal law, this item may only be shipped to a dealer with a valid Federal Firearms License. If you do not specify the name and shipping address of your dealer, your order will be delayed.
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California Residents
WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to


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