Product Description The BSF Barrels SF3IYT2280 is a precision-engineered AR-15 barrel chambered in 338 ARC, built for shooters who demand performance and weight savings in equal measure. Constructed with a steel core wrapped in a high-quality carbon fiber sleeve, this 16-inch semi-auto barrel delivers exceptional rigidity and durability while keeping weight to a minimum. The carbon fiber wrap features machined ventilation slots along its length to further reduce mass and promote heat dissipation during extended shooting sessions. A 1:8 twist rate optimizes stabilization of the 338 ARC projectile for outstanding accuracy at long range. The threaded muzzle end provides compatibility with a wide selection of muzzle devices, making this barrel a versatile foundation for any AR-15 precision or tactical build. Product Highlights 338 ARC Chambering: Purpose-built for the 338 Advanced Rifle Cartridge, delivering superior long-range ballistics from a standard AR-15 platform. Carbon Fiber Wrapped Construction: Lightweight carbon fiber sleeve bonded over a precision steel core reduces overall weight without compromising structural integrity or accuracy. 16" Barrel with 1:8 Twist Rate: Ideal barrel length and twist rate combination for maximizing 338 ARC velocity, stability, and maneuverability in the field. Ventilated Carbon Fiber Sleeve: Slot-cut ventilation channels along the wrap promote airflow and heat dissipation while trimming additional weight. Threaded Muzzle End: Accepts a wide range of muzzle devices including suppressors, flash hiders, and compensators for customizable configurations. Specs Brand: BSF Barrels MPN: SF3IYT2280 UPC: 615678859173 Gun Platform: AR-15 Action: Semi-Auto Caliber: 338 ARC Barrel Length: 16" Twist Rate: 1:8" Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.