The ATI Mil-Sport in 5.56mm/.223 Remington (MPN ATIG15MS556ML13M) is engineered for tactical enthusiasts and professionals alike, pairing a 16-inch barrel with a 1-in-8-inch twist capable of handling a broad range of ammunition. American Tactical/ATI threads the muzzle at 1/2×28 and ships this rifle with a single 60-round magazine for extended shooting between reloads. No sights are installed, leaving the rifle ready for an optic, and a manual safety is standard. Among AR-platform rifles in the AR rifles category, the Mil-Sport favors range shooters who want extended magazine capacity in a precision-capable 5.56 AR-15.

Key Specifications

• Chambered in 5.56mm/.223 Remington.
• Rifled at a 1-in-8-inch rate of twist.
• Features a 16-inch barrel threaded 1/2×28.
• Feeds from a 60+1 capacity magazine, with one included.
• Built on a semi-automatic action.
• Ships with no sights installed, ready for an optic.
• Includes a manual safety.
• Finished in black with a wear- and corrosion-resistant applied coating.
• Weighs approximately 9.1 pounds.

Frequently Asked Questions

What is the magazine capacity? 60+1 rounds, supported by one included 60-round magazine.

Is the muzzle threaded? Yes, at 1/2×28.

Does this rifle come with sights? No, it ships without sights, ready for an optic.

Buy the ATI Mil-Sport 5.56mm, 60-Round

Extended magazine capacity in a precision-capable 5.56 AR-15 is exactly what the Mil-Sport delivers. As soon as it is ready to ship, order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.