The ATI Alpha Maxx (brand part no. GAX55613MLCFDE) is a semi-automatic AR-platform rifle chambered in 5.56 NATO, built around a 16-inch pencil-profile barrel with a 1:8 twist and finished in FDE. American Tactical equips the Alpha Maxx with the same reliable components found across its other AR lines, including a Nano Composite lower parts kit and a polymer M-LOK handguard. Among semi-automatic rifles in the semi-auto rifles category, the Alpha Maxx favors budget-focused shooters who want a flip-sight-equipped 5.56 AR from American Tactical / ATI.
Key Specifications
- Chambered in 5.56 NATO.
- Rate of twist is 1:8-inch.
- Features a 16-inch pencil-profile barrel.
- Muzzle threaded 1/2×28.
- Feeds from a magazine with a 30-round capacity.
- Fitted with a polymer M-LOK handguard.
- Furniture finished in FDE, with a black barrel finish.
- Equipped with flip-up front and rear sights.
- Weighs approximately 8.7 pounds.
Frequently Asked Questions
Does this rifle come with sights? Yes, flip-up front and rear sights are included.
What handguard does it use? A polymer M-LOK handguard.
What magazine capacity does it use? A 30-round capacity magazine.
Buy the ATI Alpha Maxx Rifle
A flip-sight-equipped, budget-friendly 5.56 AR is exactly what the Alpha Maxx delivers. As soon as it’s ready to ship, order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.
| UPC | 810113113647 |
|---|---|
| Manufacturer | American Tactical / ATI |
| Manufacturer Part Number | GAX55613MLCFDE |
| Action | Semi-Auto |
| Barrel Finish | Black |
| Barrel Length | 16" |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Capacity | 30 |
| Rate of Twist | 1:8" |
| Shipping Weight | 8.7 |
| Sights | Flip Up Front & Rear |
| Thread Pattern | 1/2"x28 |







