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Ati

ATI BULLDOG

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Semi-automatic .410

3" chamber and 5+1 capacity

16" Black

Black aluminum receiver

Bullpup Design

Black fixed stock and grip

Includes Quick

Acquisition flip-up sights and AR-style

Picatinny Rail

M-LOK rails for accessory mounting

$320.99
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SKU: 494236

Overview

Built around a modular bullpup layout, this semi-automatic shotgun is aimed at hunters and shooters who want a compact platform with a tactical setup. It includes a 3" chamber, 5+1 capacity, flip-up sights, an AR-style charging handle, Picatinny and MLOK rails, and an adjustable cheek rest for a more adaptable fit. The three-piece choke tube set adds flexibility for different shooting needs, while the quick-release magazine system is designed for fast changes. Its black steel barrel, black aluminum receiver, and fixed bullpup stock give it a streamlined, purpose-built appearance without unnecessary bulk.

Why Hunters Choose the Ati

3" Chamber

Supports .410 gauge loads for

16" Barrel

Bullpup layout keep the platform

5+1 Capacity

Multiple shots before reloading

Flip-up Sights

Support quick target acquisition

Ar-style Charging

Handle and quick-release mag button

Key Features

  • Semi-automatic .410 gauge shotgun with 3" chamber and 5+1 capacity
  • 16" black steel barrel with black aluminum receiver
  • Bullpup design with black fixed stock and grip
  • Includes quick acquisition flip-up sights and AR-style charging handle
  • Features Picatinny rail and M-LOK rails for accessory mounting
  • Comes with a three-piece choke tube set
  • Adjustable cheek rest and quick-release magazine change button

Best Used For

  • Hunters wanting a compact .410 semi-automatic shotgun with a 3-inch chamber and 5+1 capacity
  • Users who prefer bullpup handling and quick acquisition flip-up sights for close-range shooting
  • Shooters looking for AR-style controls, including a charging handle and modular rail setup
  • Those wanting an adjustable cheek rest for a more tailored shooting position
  • Owners who value fast magazine changes and a foregrip option using the spare magazine

Specifications

ActionSemi-Automatic
Adjustable Cheek RestYes
Barrel Length16"
Barrel MaterialBlack Steel
Capacity5+1
Chamber Length3"
Charging HandleAR Style Charging Handle
Choke TubesThree Piece Choke Tube Set
Gauge.410 Gauge
GripBlack Grip
M Lok RailsYes
Magazine Fore Grip FeaturePicatinny cut out at the base of the magazine allows magazine to be used as a fore grip
Magazine ReleaseQuick Release Button
Rail TypePicatinny Rail
Receiver MaterialBlack Aluminum
SightsFlip Up Sights
Stock TypeBlack Fixed Bullpup Stock

Pros

  • 3" chamber supports .410 gauge loads for versatile shotgun use.
  • 16" barrel and bullpup layout keep the platform compact.
  • 5+1 capacity provides multiple shots before reloading.
  • Flip-up sights support quick target acquisition.
  • AR-style charging handle and quick-release mag button aid handling.
  • Picatinny and M-LOK rails offer accessory mounting options.

Considerations & Trade-offs

  • The bullpup layout and fixed stock create a compact, specialized setup that may feel different from a traditional shotgun platform.
  • Its feature set is geared toward modular and tactical use, so hunters looking for a simpler field shotgun may find some of the added controls and rails unnecessary.
  • The 3" chamber and .410 gauge format make this a more specific-purpose shotgun rather than a general all-around option.
  • The included sighting and rail setup adds flexibility, but it also means the gun is configured around accessories and setup choices rather than a minimal carry profile.

Suggested Comparisons

  • Semi-automatic shotgun
  • Bullpup shotgun
  • Tactical shotgun
  • Shotgun with interchangeable choke tubes

Suggested Accessories

  • Magazine pouch
  • Choke tube set
  • Optic mount
  • Sling

Frequently Asked Questions

What gauge and chamber length does the ATI Bulldog use?

The product is listed as a .410 gauge shotgun with a 3" chamber.

Is the ATI Bulldog a semi-automatic shotgun?

Yes. The long description identifies the BullDog as a semi-automatic shotgun.

What comes with the ATI Bulldog for sighting and setup?

The description mentions quick acquisition flip up sights, an AR style charging handle, Picatinny and MLOK rails, and an adjustable cheek rest.

Does the ATI Bulldog include choke tubes?

Yes. The short and long descriptions say it includes a three piece choke tube set.

How many rounds does the ATI Bulldog hold?

It is listed with a 5+1 capacity.