American Tactical Alpha-15 Maxx 5.56x45mm NATO

The American Tactical / ATI Alpha-15 Maxx is a semi-automatic AR-pattern rifle built around the 5.56x45mm NATO chambering and intended for range use, competition, and general-purpose defensive roles. The platform emphasizes a balance of low weight and modularity suited to dynamic shooting and precision work with standard AR-style accessories. The Alpha-15 Maxx is positioned as a practical 5.56x45mm option for shooters seeking an entry to mid-level tactical rifle for the range or competition.

Built with polymer furniture and a polymer receiver, the rifle features an ATI MM4 synthetic stock and ergonomic black polymer grip for durability and weather resistance. The barrel is a Ballistic Advantage Lightweight Hanson profile finished in black and is threaded for muzzle devices. The free-floating polymer 9-inch M-LOK handguard allows for accessory placement while keeping the rifle light; the listed unloaded weight is approximately 5.50 lbs, and it ships configured with a 30-round magazine.

Key Specifications

• The caliber is 5.56x45mm NATO (.223 Remington).
• The barrel length is 16 inches.
• The barrel profile is Ballistic Advantage Lightweight Hanson.
• The twist rate is 1:8.
• The capacity is 30+1 rounds.
• The operating system is semi-automatic direct impingement.
• The handguard is a 9-inch polymer M-LOK free-floating design.
• The stock is an ATI MM4 synthetic stock.
• The sights are conflicting in source data (listed both as ‘None’ and as ‘Flip Up Front & Rear’) and require review.
• The weight is 5.50 lbs.

For shooters seeking an AR-style 5.56 platform with modular handguard options and a lightweight profile, the Alpha-15 Maxx offers practical 5.56x45mm performance. Buy the American Tactical / ATI Alpha-15 Maxx 5.56x45mm NATO online today.