The Fightlite Industries BBL002C is a complete 5.56 NATO 16.25" black mag phosphated barrel assembly designed for use with MCR rifles and upper receiver assemblies, delivering a reliable foundation for performance-oriented builds. This 16.25" barrel features a 1:7" twist for stabilization of a wide range of 5.56 ammunition, and its mag phosphate finish provides durable corrosion resistance while blending seamlessly with modern rifle systems. The package includes a barrel extension with fixed headspace, a gas block assembly, a four-position regulator, a piston, a flash hider, and a dovetail cover, delivering a cohesive, ready-to-install solution that simplifies upper-receiver configurations and reduces assembly time. Ideal for builders seeking a turnkey solution that pairs with Fightlites proven reliability and precision, this complete barrel assembly supports dependable cycling and consistent accuracy across varied shooting scenarios. Whether upgrading an existing MCR platform or constructing a dedicated build, the BBL002C combines compatibility, robust construction, and thoughtful orchestration of components to help shooters achieve swift, repeatable follow-up shots with confidence.