Brownells Lightweight Carbine-Length Barrel Assembly 5.56x45mm 12.70", Black

Experience the ultimate in vintage authenticity with the Brownell's Retro A1 12.7" carbine length barrel assembly. Precision-engineered for the dedicated enthusiast, this 5.56x45mm NATO barrel features a durable chrome-lined bore with a traditional 1-12" twist rate, all finished in a sleek black phosphate. Machined from high-grade 4150 chrome moly steel, the 12.7" assembly offers maximum longevity and performance. This comprehensive kit comes ready for installation, featuring a .625" non-F marked front-sight base fully equipped with a sight post, detent, and sling swivel. The assembly is rounded out with a flat Delta ring, barrel nut, weld spring, and round handguard cap, providing every essential component for a high-quality Retro Rifle build.