Description
A triple barrel shotgun turns heads every time one comes out of the case, and the ATI 3B SGT backs up the looks with a genuinely useful setup. It is a break action 12 gauge with three 26 inch barrels arranged in a triangle, and a single trigger that fires them one at a time in sequence, lower right, then lower left, then top. That means three quick shots with nothing to pump and no action to cycle, which is a real advantage when a flushed bird or a second target does not wait around for you.
Built for the Field, Dressed for the Cabinet
The 26 inch barrels give this version of the 3B a proper hunting swing, and the 3.5 inch chambers mean it will digest everything from light target loads to heavy waterfowl shells. A vent rib runs down the top barrel with a green fiber optic front sight that picks up fast against gray skies or brush. The silver receiver wears scroll engraving that looks far fancier than you would expect at this level, and the walnut stock with a rubber recoil pad rounds out the classic side by side and over under aesthetic, just with one more tube than usual.
Choke Options That Make the ATI Triple Barrel Versatile
ATI ships this one with three interchangeable choke tubes, Modified, Improved Modified, and Full, so you can set up each barrel differently. Run a tighter choke in the barrel that fires last and your pattern effectively reaches out as the bird gets farther away. That is a clever trick a pump or semi auto simply cannot pull off, and it is one of the more practical reasons hunters gravitate to this gun beyond the novelty.
Living With the 3B SGT
Because it is a break action, loading, unloading, and cleaning are about as simple as shotguns get. Drop in three shells, close it up, and you are ready. Turkish made and steel framed, it carries some reassuring heft that helps soak up recoil from stouter loads. Whether it ends up as your conversation piece at the club or your go-to for dove season, this is one of those guns that earns its spot in the safe.
Key Specifications
- Manufacturer: American Tactical (ATI)
- Model: 3B SGT Triple Barrel
- Manufacturer Part Number: ATIGKOF123B26
- UPC: 810113111087
- Gauge: 12 Gauge
- Chamber: 3.5 in
- Action: Break action, triple barrel
- Barrel Length: 26 in (three barrels)
- Capacity: 3 rounds
- Chokes Included: Modified, Improved Modified, Full
- Sights: Vent rib with green fiber optic front sight
- Receiver Finish: Silver with scroll engraving
- Stock: Walnut with rubber recoil pad
- Fire Sequence: Lower right, lower left, top
- Country of Origin: Turkey
What’s Included
- ATI 3B SGT triple barrel 12 gauge shotgun
- 3 interchangeable choke tubes (Modified, Improved Modified, Full)
- Owner's manual
Frequently Asked Questions
How does the trigger work on the ATI triple barrel shotgun?
It uses a single trigger that fires the barrels in a fixed sequence: lower right first, then lower left, then the top barrel. Each pull fires the next barrel in line, so you get three shots without pumping or cycling anything. When all three are spent, you break the action open, reload, and go again.
Can the ATI 3B SGT handle 3.5 inch magnum shells?
Yes, all three barrels are chambered for 3.5 inch shells, so it will run everything from 2.75 inch target loads up to heavy magnum waterfowl and turkey loads. Just be ready for the recoil on the big stuff, though the walnut stock and rubber recoil pad help take the edge off.
Are the chokes interchangeable, and which ones come with it?
This 26 inch model ships with three screw-in choke tubes: Modified, Improved Modified, and Full. Since each barrel takes its own choke, a popular setup is running progressively tighter chokes so your later shots stay effective as the target gets farther out. That flexibility is one of the biggest practical perks of the triple barrel design.
What makes the 26 inch version different from the 18 inch ATI triple barrel?
The 26 inch model is the hunting-oriented version, with longer barrels for a smoother swing on birds and clays, a silver scroll engraved receiver, and tighter chokes (Modified, Improved Modified, Full). The 18 inch version has a black receiver and more open chokes geared toward close-range use. If wingshooting is the goal, this 26 inch setup is the one to grab.





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