American Tactical Milsport 5.56mm AR Pistol, 7.5-inch Brace

The American Tactical Milsport 5.56mm AR Pistol (ATI part no. G15MS556MLB7) brings a compact, brace-equipped AR-15 platform to shooters who want the maneuverability of a pistol with the reliability of the 5.56 NATO cartridge. Built by American Tactical, this Milsport model pairs a short 7.5-inch barrel with a factory-installed stabilizing brace, making it easy to handle in tight spaces like vehicles, hallways, and truck cabs. It’s a solid choice for home defense, range use, or as the foundation for a lightweight AR pistol build.

Key Specifications

• Chambered in 5.56mm NATO, giving it access to a wide range of affordable, widely available ammunition.
• Runs a compact 7.5-inch barrel, keeping the overall package short and easy to maneuver.
• Comes equipped with a stabilizing brace for improved control when firing with one hand extended.
• Built on the proven AR-15 platform, compatible with the broad ecosystem of AR accessories and parts.
• Built with a billet aluminum lower receiver and a full-length Picatinny top rail.

Frequently Asked Questions

Is this an AR pistol or a rifle? It’s an AR pistol, built with a stabilizing brace rather than a shoulder stock.

What caliber does it fire? It’s chambered in 5.56mm NATO, one of the most common and affordable rifle calibers available.

Buy the American Tactical Milsport 5.56mm AR Pistol

The Milsport delivers a genuinely compact AR pistol without cutting corners on the platform’s reliability. Order the American Tactical / ATI Milsport from our Lubbock, Texas gun shop for fast, insured shipping to your FFL, from our semi-auto handguns lineup.