The Anderson AR-15 Barrel 5.56 NATO - 16" with a 1:8 twist delivers precise compatibility for rifles built to handle the popular 5.56 cartridge, featuring a robust 4150 Chrome Moly Vanadium composition and an efficient M4 Contour that balances strength with manageable weight. This carbine-length barrel is designed for reliable cycling and predictable gas timing across a wide range of AR-15 platforms, making it an ideal upgrade for shooters seeking a durable, long-range capable barrel with consistent accuracy. The 1:8 twist rate stabilizes a broad spectrum of typical 55 to 62 grain ammunition, ensuring stable flight and tight groups from field to range, while the non-fluted profile contributes to a clean balance between rigidity and heat dispersion. Built for rugged use, the 16-inch length offers a practical, maneuverable overall length that suits both fieldwork and competitive shooting, enabling smooth handling and quick follow-up shots. Anderson Manufacturing brings a proven pedigree of dependable performance, allowing you to optimize your rifles accuracy, reliability, and build quality with a single, purpose-built AR-15 barrel that integrates seamlessly with compatible upper receivers for a straightforward, trusted upgrade.