The Faxon Firearms Gunner Big Bore Barrel in .458 Socom is a robust and precision-engineered component designed for AR-15 platforms. Measuring 10.5 inches in length this barrel features a pistol-length gas system providing optimal performance and reliability for larger calibers. With a twist rate of 1-14 it ensures enhanced bullet stabilization and accuracy. The barrel is crafted with 11/16-24 muzzle threads enabling compatibility with a variety of muzzle devices. Ideal for those seeking superior performance in a compact package this barrel is perfect for tactical applications requiring powerful rounds in a versatile setup.