The Ballistic Advantage Performance Series Hanson barrel (Ballistic Advantage part number BABL556018F) is machined from 4150 chrome moly vanadium steel and finished with a QPQ corrosion-resistant coating for long service life. It uses Ballistic Advantage’s proprietary BA Hanson heavy profile and includes a pinned low-profile gas block, along with a nickel-boron coated extended M4 feed ramp for smoother feeding. Chambered in 5.56 NATO at 17.7 inches with a midlength gas system, it is built for a general-purpose or precision AR-15 build. Note that Hanson-profile barrels are not designed to run with aftermarket piston kits.

Key Specifications

• Chambered in 5.56 NATO / .223 Remington.
• Measures 17.7 inches in length.
• Rifled with a 1:7 twist rate.
• Machined from 4150 chrome moly vanadium steel.
• Finished with a QPQ corrosion-resistant coating.
• Features a nickel-boron coated extended M4 feed ramp.
• Built with the proprietary BA Hanson heavy profile.
• Includes a pinned low-profile gas block.
• Runs a midlength gas system.
• Threaded 1/2×28 TPI.
• Not designed to run with aftermarket piston kits.

Frequently Asked Questions

What gas system does this barrel use? A midlength gas system with a pinned low-profile gas block included.

Can I run this with an aftermarket piston kit? No, Hanson-profile barrels are not designed for aftermarket piston kits.

What is the twist rate? 1:7, suited to a wide range of 5.56 NATO bullet weights.

Buy the Ballistic Advantage Hanson 5.56 NATO AR-15 Barrel

Build a smooth-feeding, corrosion-resistant 5.56 upper with a proven Hanson-profile barrel. Order this Ballistic Advantage barrel from our AR barrels lineup, and our Lubbock, Texas team will get it ready as soon as it is available to ship.