ATI Alpha Maxx Gen3 .410 Bore 18.5″ Shotgun

About this product

The American Tactical / ATI Alpha Maxx Gen3 is a semi-auto .410 Bore shotgun built around a smooth-bore 18.5″ barrel and modular M-LOK handguard. It pairs polymer stock and pistol grip components with flip-up front and rear sights for straightforward sighting and handling. Designed for sporting, small-game, and range use, the Alpha Maxx focuses on a compact profile and modern ergonomics.

Key Specifications

• The caliber is .410 Bore.
• The chamber size is 2.50″.
• The barrel length is 18.50″ and the barrel description is Smooth Bore.
• The handguard is a 13″ M-LOK polymer unit.
• The stock material is Polymer.
• The sights are Flip Up Front & Rear.
• The barrel finish and overall finish type are Black.
• The series is listed as Gen3.
• The stock finish group is Black.
• The listed weight is 8.6.

With a compact 18.5″ smooth barrel, M-LOK modularity, and flip-up sights, the Alpha Maxx Gen3 delivers a practical, modern platform for recreational shooting and small-game applications. Its polymer furniture and simplified controls make it approachable for shooters seeking a reliable, easy-to-handle .410 shotgun with contemporary ergonomics.

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