The CMC Triggers BBL-556-002 AR Barrel delivers a compact, accurate upgrade for AR-15 configurations, offering a 10.50-inch 5.56 NATO barrel in a durable Black Nitride/chrome moly vanadium steel design with a precise 1:7 twist and button-rifled interior for dependable chamber stability and muzzle velocity consistency, making it ideal for compact duty, patrol, or sport rifles. This barrel is engineered to fit AR-15 platforms, pairing compatibility with a robust finish to resist wear under rigorous field use while maintaining clean bore performance and reduced fouling. The Nitride coating provides enhanced hardness and corrosion resistance, contributing to long-term reliability in harsh environments, while the Chrome Moly Vanadium composition supports proven strength and predictable shooting dynamics. With its optimized dimensions and rifling profile, shooters can expect crisp chamber engagement, improved first-shot accuracy, and consistent shot-to-shot performance across a variety of 5.56x45mm NATO loads. Whether upgrading an existing build or assembling a dedicated lightweight rifle, this barrel from CMC Triggers combines rugged construction, precise manufacturing, and practical real-world function to support precision shooting, dependable reliability, and versatile field use.