ATI Alpha Maxx HGA | .300 AAC Blackout | 7.5″ ATIGAX3007ML60

The American Tactical / ATI Alpha Maxx HGA is a compact semi-automatic configuration chambered in .300 AAC Blackout with a 7.50″ threaded barrel and a polymer 7″ M-LOK handguard. It features a black Picatinny top rail and a rear brace for a shorter overall length package suited to close- to mid-range work. For optics, a versatile choice under $1,000 that pairs well with this platform is the Vortex Viper PST Gen II 1-6×24 for fast target acquisition and reliable mid-range performance.

Product Specifications

• The manufacturer is American Tactical / ATI.
• The model is Alpha Maxx HGA.
• The manufacturer part number is ATIGAX3007ML60.
• The caliber is .300 AAC Blackout.
• The barrel length is 7.50″.
• The barrel length range is 7″ to 7.99″.
• The handguard is 7″ polymer M-LOK.
• The muzzle is threaded.
• The receiver includes a black Picatinny rail.
• The listed capacity is varied across sources; see notes.
• The product ships with a rear brace.
• The finish is Black.
• The category is Semi Auto Rifles.
• The UPC is 810113113869.

This Alpha Maxx HGA configuration is intended for shooters who need a compact, suppressor-ready .300 AAC Blackout platform with modular attachment options. Its short barrel and threaded muzzle make it suitable for close-quarters tactical applications and short‑range hunting where maneuverability and quick follow-up shots are priorities. The polymer M-LOK handguard allows straightforward accessory mounting without adding unnecessary weight, and the Picatinny rail supports a wide range of sights from red dots to low-power variable optics.

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