The American Tactical / ATI Alpha Maxx RIA is an AR-15 style modern sporting rifle chambered for .223 Remington / 5.56 NATO. It features a 16″ pencil-profile barrel with a 1:8″ rate of twist, a 9″ M-LOK polymer handguard, and a hybrid polymer upper and lower construction. The rifle ships with flip-up sights and an ATI MM4 synthetic stock for a lightweight, utility-focused package.
Key Specifications
- The manufacturer is American Tactical / ATI.
- The model series is Alpha Maxx RIA.
- The caliber is .223 REM / 5.56 NATO.
- The barrel measures 16 inches and is described as a pencil profile.
- The rate of twist is 1:8″.
- The action is Semi-Automatic.
- The handguard is a 9″ M-LOK polymer design.
- The stock is ATI MM4 synthetic, black.
- The weight is approximately 5.5 lbs.
- It uses a detachable magazine; detachable magazine: Yes.
Designed for range work, training, and general sporting use, the Alpha Maxx RIA balances a lightweight pencil barrel and M-LOK modularity with durable polymer components. Its configuration provides a familiar AR-style interface with flip-up sights and an MM4 stock for a straightforward, practical shooting experience.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
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