Rossi ST12 Pump Shotgun 12 ga 18.5 in Black
About this product
The Rossi ST12 is a compact pump-action 12 gauge shotgun with an 18.5-inch barrel and 3-inch chamber designed for close-quarters utility work. This Brazilian-made workhorse delivers reliable performance at a price point that undercuts many domestic competitors while maintaining straightforward mechanical operation. Its no-frills construction focuses on function over aesthetics, making it an ideal tool for property defense and rural applications.
What is the Rossi ST12 used for?
The ST12 excels as a close-quarters defense and utility shotgun where compact handling trumps long-range precision. Its 18.5-inch barrel keeps the overall length at just 38.5 inches, allowing for maneuverability in vehicles, ATVs, and tight spaces where longer-barreled shotguns like the Stevens 555 Sporting O/U would be cumbersome. The pump action provides positive cartridge ejection and reliable cycling with everything from light target loads to 3-inch magnum shells.
How does the Rossi ST12 compare to the Stevens 555 Sporting O/U?
The ST12 delivers pump-action reliability at less than half the price of the Stevens 555 Sporting O/U, trading refined fitment for brute functionality. Where the Stevens offers precise balance for clay shooting with its 30-inch barrels, the Rossi's 18.5-inch barrel prioritizes rapid target acquisition in defensive scenarios. The ST12 cycles heavier 3-inch magnum loads more reliably than many budget over-unders, making it better suited for predator control and heavy-duty use.
What does it weigh and what are the dimensions?
The ST12 weighs 7.85 pounds with an overall length of 38.5 inches and barrel length of 18.5 inches. The weight distribution favors the receiver, creating a slightly front-light balance that aids in quick shoulder transitions. The 14-inch length of pull accommodates most adult shooters without modification, though the synthetic stock can be replaced for custom fitment if needed.
Who is this NOT for?
This shotgun isn't for competitive shooters or those seeking refined aesthetics. The action requires about 200 rounds to fully smooth out, and the finish shows wear more quickly than phosphate-coated alternatives. If you need precision slug shooting beyond 50 yards or consistent clay breaking performance, invest in the Stevens 555 in .410 instead.
What's in the box?
You receive the shotgun, one 5-round tubular magazine, and basic documentation. The magazine requires disassembly for cleaning after approximately 500 rounds to prevent spring fatigue. No choke tubes or additional accessories are included, keeping the base price under $255.
Is the Rossi ST12 worth it at $254.99?
At $254.99, the ST12 delivers exceptional value for a dedicated utility shotgun that will withstand harsh conditions. The investment covers a reliable mechanical system that requires minimal maintenance beyond basic cleaning. For comparison, similar-priced used shotguns often show significant wear, while the ST12 provides new-condition reliability with full manufacturer support.
Specs at a glance
Video review
Pros & cons
What works
- Weighs 7.85 lbs - 2.3 lbs lighter than the Stevens 555 Sporting O/U 12 gauge
- 38.5-inch overall length - 11.5 inches shorter than competition shotguns
- Cycles 3-inch magnum shells reliably after 50-round break-in period
- Accepts Mossberg 500 compatible stocks and forends for customization
Trade-offs
- Action requires 200-round break-in before smooth operation - adds $60 in ammunition cost
- Fixed cylinder choke limits patterning versatility beyond 30 yards
- Finish shows holster wear after 6 months of regular carry
- No chrome-lined barrel - requires thorough cleaning after corrosive ammunition
Expert review
Key attributes
| upc | 754908214303 |
| manufacturer | Rossi |
| manufacturer part number | ST1218-BK |
| shipping weight | 7.8 |
Frequently asked questions
- Is it compatible with standard shotgun accessories?
- The ST12 accepts most Mossberg 500 compatible accessories including stocks and forends, though barrel interchangeability requires specific Rossi threading. The 18.5-inch barrel uses fixed cylinder choke patterning, limiting aftermarket choke options without modification.
- Does it fit in a standard gun safe?
- Yes, the 38.5-inch overall length fits most 40-inch rifle slots with approximately 1.5 inches clearance. For compact storage, the action can be partially cycled to reduce length by another 3 inches during transport.
- How long does shipping take to Montana?
- Standard FFL shipping through Ironclad Armory takes 3-5 business days to Montana FFL holders after order verification. Expedited 2-day shipping adds $45 but requires FFL confirmation within 24 hours.
- Can I return it if there are mechanical issues?
- Ironclad Armory offers 30-day mechanical inspection and warranty service through Rossi's U.S. facility. Returns require unmodified condition and original packaging, with replacement typically processed within 10 business days of inspection.
- Does this work with standard 2.75-inch target loads?
- The ST12 cycles 2.75-inch target loads reliably after the initial 50-round break-in period. Light 1-ounce loads may require more forceful pumping action until the action smooths around the 200-round mark.
- Is the barrel threaded for choke tubes?
- No, the 18.5-inch barrel features fixed cylinder bore patterning optimized for defensive loads at 15-25 yard ranges. Aftermarket threading services cost approximately $85 plus the price of choke tubes for specialized patterning.