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Ati

ATI MILSPORT

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

.300 Aac

Blackout semi-auto rifle with 30+1

16-inch Threaded

5/8x24 thread pattern

1-in-7-inch Twist

Rate optimized for .300 AAC

15-inch M-lok

Handguard for accessory mounting

Flat Top

Receiver without sights for optic

$471.99
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SKU: 470186

Overview

Built around the .300 AAC Blackout platform, this semi-auto rifle is set up for shooters who want a configurable setup for range work or field use. The 16-inch threaded barrel, 1-in-7 twist rate, and 30+1 capacity give it a practical foundation for those looking to tailor the rifle with their preferred muzzle device and optics. A flat top receiver and 15-inch M-LOK handguard leave room for accessories, while the A2 pistol grip offers a familiar hold. Its matte black finish and blued finish type keep the look straightforward and functional.

Why Hunters Choose the Ati

16-inch Threaded

Barrel supports suppressor or muzzle

30+1 Round

Capacity offers extended shooting before

1-in-7 Twist

Rate suits heavier .300 AAC

15-inch M-lok

Handguard provides space for accessory

Flat Top

Receiver comes without sights for

Key Features

  • .300 AAC Blackout semi-auto rifle with 30+1 capacity
  • 16-inch threaded barrel with 5/8x24 thread pattern
  • 1-in-7-inch twist rate optimized for .300 AAC Blackout
  • 15-inch M-LOK handguard for accessory mounting
  • Flat top receiver without sights for optic or sight setup
  • Classic A2 pistol grip for a familiar hold

Best Used For

  • Hunters wanting a .300 AAC Blackout rifle with a threaded barrel for muzzle-device setup.
  • Shooters building a customizable flat-top platform with room for optics and accessories.
  • Users who prefer a familiar A2 pistol grip and straightforward semi-auto controls.
  • Range shooters looking for a 30+1 rifle with a 16-inch barrel and M-LOK handguard.

Specifications

ActionSemi-Auto
Barrel Length16"
Barrel Thread Pattern5/8x24
Blade FinishMatte black
Caliber.300 AAC Blackout
Capacity30+1 rounds
Finish TypeBlued
GripA2 pistol grip
Handguard15" M-LOK handguard
Threaded BarrelYes
Twist Rate1-in-7"

Pros

  • 16-inch threaded barrel supports suppressor or muzzle device attachment.
  • 30+1 round capacity offers extended shooting before reloading.
  • 1-in-7 twist rate suits heavier .300 AAC Blackout bullets.
  • 15-inch M-LOK handguard provides space for accessory customization.
  • Flat top receiver comes without sights for optic or sight selection.
  • Classic A2 pistol grip offers a familiar, comfortable hold.

Considerations & Trade-offs

  • The rifle is sold without sights, so you’ll need to budget for optics or iron sights to complete the setup.
  • Its 15" M-LOK handguard offers accessory space, but the platform is intentionally left for the user to configure to their needs.
  • The threaded 16" barrel supports muzzle-device or suppressor use, but those accessories are not included.
  • The classic A2 pistol grip is familiar and straightforward, though it may not suit every shooter’s preferred ergonomics.

Suggested Comparisons

  • Semi-auto rifle
  • AR-style rifle
  • Suppressor-ready rifle
  • Optics-ready rifle

Suggested Accessories

  • Optics mount
  • Muzzle device
  • Sling
  • Magazine

Frequently Asked Questions

What caliber is the ATI Milsport chambered in?

The ATI Milsport is chambered in .300 AAC Blackout.

Does this rifle have a threaded barrel for a suppressor or muzzle device?

Yes. It has a 16" threaded barrel with a 5/8x24 thread pattern, which allows attachment of suppressors or other muzzle devices.

What is the magazine capacity?

The listed capacity is 30+1 rounds.

Does the rifle come with sights installed?

No. The product description says it has no sights, giving you a clean flat top receiver for adding optics or iron sights of your choice.

What handguard and grip does it use?

It comes with a 15" M-LOK handguard and a classic A2 pistol grip.