FN America AR-15 5.56 NATO Rifle Barrel Accessory

The FN America AR-15 barrel is a 10.5-inch carbine-length design chambered in 5.56 NATO with a chrome-lined bore and chamber that resists corrosion and heat erosion, extending barrel life while ensuring reliable chambering and extraction. M4 style feed ramps and barrel extension deliver consistent feeding performance, and the matte black manganese phosphate finish provides external corrosion and oxidation resistance. Featuring a 1 in 7″ right-hand twist rate, this barrel is engineered for optimal performance with standard 5.56 NATO and .223 Remington ammunition, making it an ideal upgrade or replacement for modern piston or direct impingement AR-15 platforms. The carbine length gas system integrates with modern AR-15 receiver sets and handguard components. This FN America barrel delivers the precision engineering and durability FN Herstal is known for,