The Faxon Firearms DUTY 308 WIN 18'' BBL Rifle-Length Pencil Nitride delivers a precision AR-15 compatible rifle barrel designed for dependable performance in demanding duty and precision shooting scenarios, featuring a sleek pencil contour, a rifle-length gas system, and a durable black nitride finish. This 18-inch barrel is chambered in 308 Winchester, offering enhanced ballistics, controlled muzzle rise, and balanced weight at approximately 1.97 pounds for improved balance on AR-15 platforms. The 5/8-24 muzzle threads accommodate a wide range of suppressors and muzzle devices, while the 1-10 twist rate ensures stable stabilization for a broad selection of projectiles, making it suitable for mid-range to long-range engagements. Its AR-15 compatibility and robust construction enable reliable installation on compliant builds, with the black finish providing corrosion resistance and a low-glare appearance in field conditions. Whether upgrading a duty rifle, building a precision-focused AR-15, or outfitting a versatile rifle for hunting or competitive shooting, this barrel delivers consistent performance, accurate shot placement, and long-term durability through Faxons renowned manufacturing standards and precision tolerances.