FN built its reputation making machine-gun barrels for the U.S. military, and that cold-hammer-forged pedigree carries straight into this AR-15 barrel. Chambered for 5.56 NATO with a 14.5-inch profile and carbine-length gas system, it's a natural fit for a lightweight, fast-handling build — pin and weld your muzzle device to reach 16 inches, or run it on a registered SBR or large-format pistol. Hammer forging works the steel dense and uniform, which is why FN barrels are prized for long service life and consistent accuracy even under hard use. A serious upgrade over budget barrel offerings for any duty-grade or defensive carbine project.

In stock and ready to ship straight to your door from Dawson Defense, an Arizona-owned licensed dealer.