Description
ATI 410 Rifled Slug turns the smallest bore into a single projectile gun. A 2-1/2 inch shell loaded with one rifled slug at a listed 1,410 feet per second, twenty five rounds to the box, part number AC410R.

A Quarter Ounce Slug, and Why Catalogues Disagree
ATI 410 Rifled Slug carries a quarter ounce slug, roughly 109 grains. That is worth stating plainly because UPC 819644021926 is catalogued inconsistently across the trade. Some sellers list it as a half ounce and at least one manages both figures on the same product page, and the box face prints the gauge, the shell length and the round count but not the projectile weight.
We have gone with our own distributor record from Sports South, which lists this exact UPC as a 1/4 ounce slug shot, 25 per box. If you see a half ounce figure quoted elsewhere for this part number, it is a catalogue error rather than a different product.
The velocity of 1,410 fps is likewise a retailer figure rather than a manufacturer published one. Treat it as indicative and chronograph it if you need a real number.
ATI 410 Rifled Slug Specifications
ATI 410 Rifled Slug is loaded for American Tactical. This is a Foster type rifled slug, which means the grooves on the projectile do not spin it. They let it swage down safely through a choke. Stabilisation comes from the hollow base putting the weight forward, the same principle as a badminton shuttlecock, so it works out of a smoothbore.
The 2-1/2 inch shell will chamber in both 2-1/2 and 3 inch guns, which is the safer of the two lengths to keep on the shelf if you only stock one.
ATI 410 Rifled Slug is a modest thing, a single projectile in the smallest bore. Compared with a 12 gauge slug this is a fraction of the weight and energy, and its useful range is short. Inside that range it does the job a single projectile does: one hole rather than a pattern.
- Gauge: 410 bore
- Shell length: 2-1/2 inch
- Projectile: single rifled Foster type slug
- Slug weight: 1/4 ounce, roughly 109 grains
- Velocity: 1,410 fps per retailer listings, not manufacturer published
- Manufacturer part number: AC410R
- UPC: 819644021926
- Packaging: 25 rounds per box, 10 boxes per case
- Barrel: smoothbore, cylinder or improved cylinder choke
Where a 410 Slug Makes Sense, and Where It Does Not
Do not buy ATI 410 Rifled Slug for a revolver and expect accuracy. The 45 Colt and 410 combination guns are popular and slugs get fired through them constantly, but those barrels are rifled, and a Foster slug fired through rifling and a short barrel is neither accurate nor predictable. The rifling is there for the shot loads those guns are designed around. A slug out of a 410 handgun is a close range proposition at best.
From a smoothbore 410 shotgun, ATI 410 Rifled Slug behaves sensibly. It is a reasonable pest and dispatch load, useful around a barn or a trapline where a pattern would carry too far, and it will take small game cleanly at short range.
Check your state before hunting deer with it. Many states that allow shotgun deer hunting set a minimum gauge that excludes the 410 outright, and others require buckshot or slugs of a specified type. A 410 slug is a marginal deer projectile in any case, and several jurisdictions agree in writing.
Know your zero with ATI 410 Rifled Slug. Slugs and shot loads do not print to the same place, and a bead sighted 410 shooting slugs needs to be put on paper at the distance you intend to use it. Twenty five yards is a realistic check.
For pattern work rather than single projectiles, our ATI 410 target load covers clays and practice cheaply, and our B and P Upland Game 410 is the heavier hunting shot load in the same bore.
ATI 410 Rifled Slug is a short range single projectile load for a smoothbore 410, useful for pests and dispatch work where a shot pattern would travel too far. Keep it out of a rifled Judge barrel if accuracy matters to you. Ships from our licensed inventory in Collegeville, Pennsylvania, with adult signature required on delivery.
On storage and handling, treat these like any other shotshell. Keep them dry, keep them out of a hot vehicle over a summer, and keep slugs physically separated from shot loads in the field. Mixing the two in a pocket is how somebody ends up firing a single projectile at a bird, or a pattern at something that needed one hole.
Availability on small bore ammunition comes and goes, and the 410 is the gauge most likely to be missing from a shelf when you want it. If you rely on it, buying ahead is sensible.






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