The Ballistic Advantage 5.56 NATO 16'' M4 Carbine Chrome Barrel offers precision and durability for your firearm needs. Crafted from high-quality CrMoV steel this Classic Series barrel features a robust chrome-lined bore and chamber ensuring longevity and superior performance. The 1:7" twist rate is optimized for improved accuracy making it ideal for a variety of shooting applications. With its phosphate finish and M4 feed ramp extension this barrel delivers reliable feeding and consistent performance under various conditions. Perfect for enthusiasts seeking a dependable and precise M4 Carbine Length barrel.