Mossberg releases a compelling new semi-auto tactical shotgun at SHOT Present 2026.
The 990 proven at SHOT is constructed round a 590-style receiver. It runs a gasoline system totally contained beneath the handguard ahead of the receiver. That design permits using the Magpul SGA inventory with out adapters or extensions.
This configuration retains the rear of the gun clear and acquainted. It additionally simplifies setup for shooters who desire a extra tailor-made setup. That is achieved by permitting the person so as to add or take away spacers from the inventory to customise the size of pull.
Sights and Optics Mounting
The 990 ships with a ghost ring rear sight and a shielded fiber optic for the entrance. The rear ghost ring could be eliminated to show an RMS-c footprint optic reduce.
Mossberg contains adapters within the field for each RMR and Physician, and Leupold footprints, so no aftermarket elements are required to mount most micro dots.
Barrel Lengths and Capability
Two barrel lengths are supplied. A 14-inch model, which holds 6+1 rounds, and an 18.5-inch model that holds 7+1. The journal tube runs the complete size of the barrel and sits flush with the muzzle on each fashions.

Not like many tactical shotguns, the barrel on the 990 accepts chokes. It solely comes with a flush-fit cylinder choke. Nevertheless, this opens up the potential of utilizing a tighter choke, a standoff gadget, or perhaps a suppressor.
Controls, Sling Mounts, and Furnishings
The forearm options M-LOK slots on the three, six, and 9 o’clock positions in addition to a molded-in warmth protect. QD sling mounts are constructed into the forearm as nicely.
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These sling factors sit simply in entrance of the receiver, which isn’t usually seen on shotguns however is quite common on ARs and different lengthy weapons. Having one level of the sling on the buttstock and the opposite simply ahead of the receiver is my private choice. Subsequently, I’m glad this design makes that simple to attain with out modification.

The bolt launch additionally obtained an replace. It now includes a protecting guard to stop unintentional activation whereas nonetheless permitting for fast and deliberate use. Mossberg added it after early suggestions on earlier fashions.
Availability and Pricing
The 990 is scheduled to start out delivery this February. Each the SBS and full-length fashions carry a $1,300 MSRP.
The 14-inch model qualifies as a short-barreled shotgun. Nevertheless, with $0 tax stamps and fast E-form processing occasions, the additional trouble could also be value it if you’re taken with a extra compact bundle.
Extra particulars ought to observe as these begin touchdown with sellers. Till then, you possibly can try Mossberg’s web site for probably the most up-to-date information.
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