The ATI Alpha Maxx 5.56 NATO Pistol (brand part no. GAX5567MLTBN) is an AR-pattern pistol built around a compact 7.5-inch barrel and a stabilizing arm brace instead of a shoulder stock. American Tactical, known to shooters simply as ATI, designed the Alpha Maxx as a lightweight, budget-conscious pistol for home defense, truck-gun duty, and range plinking where a shorter overall length is an advantage. A 7-inch polymer M-LOK handguard keeps the profile slim for mounting lights and grips, while the flat-top upper receiver accepts any standard optic or red dot on its own Picatinny rail. Chambered in .223 Remington/5.56 NATO and fed from a 30-round magazine, it delivers full rifle-caliber performance in a compact, maneuverable package.

Key Specifications

• AR-pattern pistol, not a rifle: this Alpha Maxx ships with a stabilizing arm brace rather than a shoulder stock, keeping it classified as a pistol.
• Chambered in .223 Remington/5.56 NATO, the most widely available modern sporting rifle cartridge.
• The 7.5-inch barrel keeps overall length short for close-quarters maneuvering.
• Feeds from a 30-round magazine for extended capacity between reloads.
• Ships with one magazine included, ready to load and go.
• A semi-auto action cycles quickly for fast, repeat follow-up shots.
• The 7-inch polymer M-LOK handguard provides a slim, snag-free gripping surface for lights, grips, and other accessories.
• A flat-top upper receiver gives shooters a full-length Picatinny rail for mounting any standard optic.
• Ships without fixed sights, keeping the rail clear for a red dot or other optic of choice.

Frequently Asked Questions

Is the Alpha Maxx a pistol or a rifle? It is an AR-pattern pistol, built with a 7.5-inch barrel and an arm brace instead of a shoulder stock.

Does it come with sights? No, it ships without fixed sights so you can mount the red dot or optic of your choice on the flat-top rail.

How many rounds does the magazine hold? It ships with a 30-round magazine.

Buy the ATI Alpha Maxx 5.56 NATO Pistol

Order the ATI Alpha Maxx 5.56 NATO Pistol from Schaefer Defense, a Lubbock, Texas gun shop that ships nationwide to your local FFL for fast, insured delivery. American Tactical built the Alpha Maxx as an affordable, brace-equipped pistol for shooters who want AR-platform performance in a compact package. Browse our full semi-auto lineup to compare it with other pistol and rifle configurations.