Description
Some shotguns try to do everything. The Rossi ST12 sticks to the basics and does them well. It's a 12 gauge pump action with an 18.5 inch barrel, a 3 inch chamber that runs both 2 3/4 and 3 inch shells, and a 4+1 capacity tube magazine. At just over 38 inches overall and right around 6 pounds unloaded, it swings fast in tight spaces, which is exactly what you want in a gun that might live behind the bedroom door or ride along on the property.
What the ST12 Brings to the Table
The barrel and receiver are alloy steel wearing a matte black finish that doesn't reflect light and shrugs off the dings that come with real use. The stock and forend are black polymer, so there's no wood to worry about when it gets rained on or knocked around in the truck. A simple bead front sight keeps target acquisition quick and natural, and the cylinder bore throws wide, forgiving patterns with buckshot at close range. A manual cross-bolt safety sits right where your trigger finger expects it, and front and rear sling attachment points mean you can add a sling without any gunsmithing.
Why Folks Keep Reaching for the Rossi ST12
A short-barreled 12 gauge pump has been the go-to answer for home protection for generations, and there's a reason for that. The pump action feeds just about anything you load it with, from light target loads for practice to full-power buckshot and slugs. Rossi has built its name on rugged, no-frills firearms that work when you need them to, and the ST12 carries that same DNA. It's also a natural fit as a farm and camp gun, handling pest control and general utility duty without complaint.
If you've been looking for a straightforward defensive shotgun that doesn't overcomplicate things, the ST12 checks the boxes: compact, reliable, easy to run, and easy to maintain. Load it, rack it, and it goes to work. That's the whole pitch, and for a lot of people that's exactly the point.
Key Specifications
- Model: ST12
- Manufacturer: Rossi
- Manufacturer Part Number: ST1218-BK
- UPC: 754908214303
- Gauge: 12 Gauge
- Action: Pump Action
- Barrel Length: 18.5 in
- Chamber: 3 in
- Capacity: 4+1
- Overall Length: 38.13 in
- Weight: 97.3 oz (unloaded)
- Choke: Cylinder Bore
- Sights: Front Bead
- Stock: Black Polymer
- Finish: Matte Black
- Safety: Manual Cross-Bolt
What’s Included
- Rossi ST12 pump action shotgun
- Instruction manual
Frequently Asked Questions
Can the Rossi ST12 shoot both 2 3/4 and 3 inch shells?
Yes. The ST12 has a 3 inch chamber, so it handles standard 2 3/4 inch loads as well as 3 inch magnum shells. That gives you flexibility to run cheap target loads for practice and step up to buckshot or slugs for defensive use.
What is the Rossi ST12 best suited for?
The 18.5 inch barrel and roughly 38 inch overall length make it a natural for home defense, where quick handling in hallways and doorways matters. It also earns its keep as a farm, camp, or truck gun since the polymer stock and matte black steel hold up well to weather and rough handling.
Does the ST12 have a choke, and can I change it?
The ST12 has a fixed cylinder bore, meaning no constriction at the muzzle. That's the standard setup for a defensive shotgun since it patterns buckshot well at close range and safely handles slugs. It is not threaded for interchangeable choke tubes, so it's not the right pick if you want tight patterns for wingshooting.
Can I mount a sling on the Rossi ST12 pump shotgun?
Yes. It comes with front and rear sling attachment points from the factory, so adding a standard sling is quick and requires no modification. That's a handy touch for a gun that gets carried around the property or packed into camp.





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