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The Winchester Super Match SM12RS is a 12 gauge, 2-3/4" rifled slug loaded with a 1 ounce slug that leaves the muzzle at a listed 1,300 fps. It's part of Winchester's Super Match line, an all-new competition family the company rolled out in 2026 that spans pistol, rifle, and 12 gauge shotshell. The whole point of this line is dead-simple consistency for people who shoot against a clock, and the slug fits right into that plan.
Most of the magic here isn't the slug itself, it's the hull. Winchester built the SM12RS on a thick-walled hull with a high-brass head, and that matters more than it sounds. Anyone who has watched a soft hull swell inside a box magazine or hang up in the chamber mid-stage knows exactly why. These are made to take the abuse of quad loading and magazine-fed guns without deforming and shutting you down when the timer is running.
This is a slug load aimed squarely at three-gun and multigun shooters who need a single projectile for the slug targets on a stage. Winchester loaded the target #7.5, the 00 buck, and this slug all on the same heavy hull, so your gun feeds them the same way and you don't have to re-tune between stage types. Run the same brand of ammo across a whole season and your gun sees consistent behavior every time. Slug distances in competition are typically short to medium range, and the 1,300 fps load keeps things flat and predictable inside that window.
Rifled slugs like this are designed for smooth-bore barrels, which covers the vast majority of practical shotguns on the range. Keep in mind the box holds 10 rounds, so if you're shooting a match with several slug arrays, plan your supply accordingly. For a competitor who wants match-grade reliability from one trusted name, the SM12RS is a straightforward choice.
This is a rifled slug, which is designed to be fired through smooth-bore barrels. The slug itself carries the rifling-style fins, so you don't need a dedicated rifled barrel to shoot it. That covers most standard field and competition shotguns.
It's a competition load aimed at three-gun and multigun shooters who face slug targets on a stage. Winchester built it on a thick-walled hull with a high-brass head so it holds its shape during quad loading and box-magazine feeding. That durability keeps a swollen or deformed hull from hanging up in the chamber and killing your run time.
Each box of the SM12RS holds 10 rounds. If you're shooting a match with multiple slug arrays or doing a long practice session, plan your supply so you don't come up short between stages.
Winchester lists the SM12RS at 1,300 fps at the muzzle with its 1 ounce slug. That's a flat, predictable velocity well suited to the short and medium slug distances you'll see on a competition stage. It keeps your point of impact consistent shot to shot.
| UPC | 020892030633 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | SM12RS |
| Caliber/Gauge | 12 Gauge |
| Length | 2 3/4'' |
| Model | |
| Product Type | Rifled Slug |
| Shipping Weight | 0.958 |
| Shot Size | SLUG |
| Shot Weight | 1 oz |
| Units per Box | 10 |
| Cost per Round | 1.30 |
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