Lead & Steel LS556PEN-MID-13.9 5.56mm 13.9″ Pencil Profile AR-15 Barrel with M4 Feed Ramps

Build a lightweight, high-performance AR-15 with the Lead & Steel LS556PEN-MID-13.9 barrel. This 13.9-inch pencil profile barrel is chambered in 5.56mm and machined from durable 4150 Chrome Moly Vanadium Steel, then finished with a QPQ Black Nitride coating for outstanding corrosion resistance and a hard, low-friction surface that extends barrel life. The pencil profile keeps your build as light as possible without sacrificing reliability, while the M4 feed ramps ensure smooth, consistent feeding across a wide range of ammunition. Whether you’re assembling a compact patrol-style rifle, a lightweight hunting build, or a custom competition AR, this barrel delivers the precision and durability serious shooters demand. At Deep Roots Rifle Co, we carry hard-to-find components like this Lead & Steel barrel at competitive prices with fast shipping nationwide. Shop online at deeprootsrifleco.com or stop by our gun store in Eustis, Florida, where our knowledgeable staff can help you complete your custom AR-15 build from start to finish.