The Faxon Firearms Duty Series Big Bore Barrel in .458 SOCOM builds on Faxons renowned Gunner Big Bore profile, delivering authoritative downrange performance in a compact 10.5" package with a precise 1:14 twist for stability with large-caliber projectiles. Crafted from 4150 Chrome-Moly Vanadium with a durable nitride finish, this AR-15 barrel combines strength, wear resistance, and corrosion protection to handle the demanding recoil and high-pressure loads of .458 SOCOM, while maintaining solid accuracy and consistent chamber pressure. The steel construction and black finish convey a professional, rugged aesthetic suited for duty, hunting, or tactical use, and the pistol gas system optimizes reliable cycling across a wide range of ammunition and suppressor considerations. This barrels 10.5" length strikes a balance between maneuverability and velocity, enabling effective engagement at moderate distances while preserving portability in support roles or field environments. Ideal for builders seeking a purpose-built, durable big bore upgrade, it integrates seamlessly with standard AR-15 receivers and components, delivering dependable performance, enhanced handling, and the leverage needed to exploit the potent .458 SOCOM cartridge in a compact, purpose-driven platform.