The Faxon AR-15 Barrel is a high-performance component featuring a 16-inch length and a heavy HBAR profile for enhanced stability. Chambered in 5.56 NATO with a 1:8 twist rate, it provides versatile accuracy for a wide range of ammunition weights. The barrel is finished in a durable black coating and is designed for the mid-length gas system to ensure reliable cycling. Precision-machined from 4150 steel, this range-ready barrel is an excellent upgrade for any custom AR-15 build. • Platform: AR-15 • Caliber: 5.56 • Barrel Length: 18 • Thread: 1/2x28 • Gas System: Mid • Journal: .750" • Material: 4150 • Color: Black • Caliber Family: 5.56 • Build Grade: Range Ready