The ATI Alpha Maxx in 5.56mm/.223 Remington (MPN ATIGAX55613ML) pairs precision, durability, and adaptability in a semi-automatic AR-15 pattern rifle, built around a 16-inch barrel with a 1:8-inch twist. American Tactical/ATI fits this rifle with a 13-inch M-LOK handguard, a 6-position adjustable stock, and flip-up front and rear sights. The muzzle is threaded 1/2×28 for a brake or suppressor, and the rifle feeds from a 30-round magazine. Among AR-platform rifles in the AR rifles category, the Alpha Maxx favors enthusiasts and marksmen who want an adaptable, accessory-ready 5.56 AR-15.

Key Specifications

• Chambered in 5.56mm/.223 Remington.
• Rifled at a 1:8-inch rate of twist.
• Features a 16-inch barrel threaded 1/2×28 for a brake or suppressor.
• Includes a 13-inch M-LOK handguard.
• Stock is 6-position adjustable.
• Feeds from a 30-round magazine.
• Built on a semi-automatic AR-15 platform.
• Ships with flip-up front and rear sights.
• Finished in black.
• Weighs approximately 8 pounds.

Frequently Asked Questions

Is the stock adjustable? Yes, a 6-position adjustable stock ships standard.

Is the muzzle threaded? Yes, at 1/2×28, ready for a brake or suppressor.

What handguard does this rifle use? A 13-inch M-LOK handguard for mounting accessories.

Buy the ATI Alpha Maxx 5.56mm, 13-Inch M-LOK

An adaptable, accessory-ready 5.56 AR-15 is exactly what the Alpha Maxx delivers. As soon as it is ready to ship, order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.