The Geissele Cold Hammer Forged 5.56 NATO 10.3" 1:7" 1/2x28 Chrome Lined Barrel 05-2987 is a precision-engineered barrel designed for exceptional accuracy and durability. Made from chrome moly vanadium steel, this barrel features a carbine-length gas system, M4 feed ramps, and a manganese phosphate finish. The cold hammer forging process ensures consistent rifling and enhanced barrel life, making it an ideal choice for hard-use duty weapons and precision-tuned competition guns.