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ATI Alpha Maxx Semi-Auto .300 AAC Blackout 16" Barrel 30+1 Rounds
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$419.99
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SKU: WX2*0750464
Overview
Built around the .300 AAC Blackout cartridge, this semi-auto rifle is set up for shooters who want one platform that can handle hunting, range work, and suppressed use. The 16-inch threaded barrel and 1:8 twist rate are paired with a 13-inch M-LOK handguard, giving you a configurable setup for accessories and muzzle devices. Its flat-top, optics-ready receiver keeps the rifle focused on customization, while the lack of factory sights means you can tailor the sighting system to your preference. With a 30-round capacity and matte black finish, it presents a practical option for hunters and enthusiasts who want a modern AR-style rifle in a versatile chambering.
Why Hunters Choose the Ati
Chambered .300
30-round capacity for versatile use
16-inch Threaded
Barrel supports suppressor or muzzle
1:8 Twist
Rate is listed for supersonic
13-inch M-lok
Handguard offers flexible accessory mounting
Flat-top, Optics-ready
Receiver supports straightforward customization
Key Features
- Chambered in .300 AAC Blackout with 30-round capacity.
- 16-inch barrel features a 5/8x24 threaded muzzle for suppressor or muzzle device attachment.
- 1:8 twist rate supports both supersonic and subsonic .300 BLK loads.
- 13-inch M-LOK handguard offers flexible accessory mounting.
- Flat-top upper receiver is optics ready for customization.
- No factory sights included, allowing a user-selected sight setup.
Best Used For
- Hunters wanting a .300 AAC Blackout rifle for hunting and suppressed shooting setups.
- Range shooters who want an optics-ready AR platform with configurable M-LOK accessory mounting.
- Users planning to run both supersonic and subsonic .300 BLK loads from one rifle.
- Buyers seeking a practical, modernized semi-auto rifle without factory sights included.
Specifications
| Action | Semi-Auto |
|---|---|
| Barrel Length | 16" |
| Barrel Thread Pitch | 5/8x24 |
| Blade Finish | Matte black finish |
| Caliber | .300 AAC Blackout |
| Capacity | 30+1 rounds |
| Grip | A2 pistol grip |
| Handguard | 13" M-LOK handguard |
| Muzzle | Threaded muzzle |
| Optics Ready | Yes |
| Receiver | Flat-top upper receiver |
| Sights Included | No |
| Suppressor Ready | Yes |
| Twist Rate | 1:8" |
Pros
- Chambered in .300 AAC Blackout with 30-round capacity for versatile use
- 16-inch threaded barrel supports suppressor or muzzle device attachment
- 1:8 twist rate is listed for supersonic and subsonic .300 BLK loads
- 13-inch M-LOK handguard offers flexible accessory mounting options
- Flat-top, optics-ready receiver supports straightforward customization
- Matte black finish gives the rifle a clean, subdued appearance
Considerations & Trade-offs
- No factory sights are included, so an optic or sighting solution will need to be added before use.
- The 13" M-LOK handguard offers mounting flexibility, but it also means any accessories you add will increase weight and bulk.
- The rifle is set up for suppressor or muzzle-device attachment with a threaded muzzle, but those accessories are not included.
- Its .300 AAC Blackout chambering and 30-round capacity are well suited to the platform, but ammunition choice and intended use will shape how you set it up.
Suggested Comparisons
- .300 AAC Blackout semi-auto rifles
- AR-platform hunting rifles
- Suppressor-ready rifles
- Optics-ready modern sporting rifles
Suggested Accessories
- Optic mount or scope ring set
- Suppressor or muzzle device
- M-LOK rail accessories
- AR-15 magazine
Frequently Asked Questions
Is the ATI Alpha Maxx optics ready out of the box?
Yes. The product description states that it has a flat-top upper receiver and an optics-ready receiver. No factory sights are included.
Can this rifle be used with a suppressor or muzzle device?
Yes. The 16" barrel has a 5/8x24 threaded muzzle, which is described as suppressor-ready and suitable for muzzle device attachment.
What kind of .300 AAC Blackout ammunition is it set up for?
The description says the 1:8" twist rate is intended to stabilize both supersonic and subsonic .300 BLK loads, including lightweight supersonic rounds and heavier subsonic rounds.
Does it have M-LOK mounting options for accessories?
Yes. It comes with a 13" M-LOK handguard, giving you accessory mounting flexibility.
How many rounds does the rifle hold?
The listed capacity is 30 rounds, shown as 30+1 rounds.