Luth-AR Barrel Features The Luth-AR Barrel is machined from chrome moly vanadium steel a material known for its strength and resistance to wear under sustained use. Its manganese phosphate finish adds corrosion resistance while giving the barrel a traditional military style appearance. Built with a SOCOM M4 profile and an F marked front sight base the barrel accommodates a front sight tower for AR-15 builds that use iron sights or a fixed front sight post. This profile and finish combination makes it a natural fit for retro or traditional style AR-15 configurations. A 1:7 twist rate stabilizes a wide range of 5.56mm bullet weights giving builders flexibility whether they plan to run lighter varmint rounds or heavier match grade projectiles. At 14.5 inches the barrel length is a popular choice for pinned and welded configurations or builds already compliant with legal barrel length requirements. The combination of a durable steel construction and versatile twist rate makes this barrel a solid foundation for a dependable AR-15 build. For shooters building or upgrading an AR-15 the Luth-AR Barrel offers a dependable chrome moly vanadium option. Luth-AR Barrel Specifications Manufacturer: Luth-AR Model: Barrel Caliber: 5.56 Barrel Length: 14.5 Barrel Material: Chrome Moly Vanadium Barrel Finish: Manganese Phosphate Twist Rate: 1:7 Available At: GrabAGun