Enhance your shooting experience with the Guntec USA BAR-7.5-SS 7.5" 5.56mm barrel, engineered for unmatched accuracy and durability. This precision-crafted barrel, made from 4150 chromoly steel, offers superior performance with both 5.56 and .223 ammunition, allowing for exceptional stability and control. Precision-engineered 4150 chromoly steel construction 1:7 twist rate for enhanced accuracy M4 feed ramps for reliable cycling Pistol-length gas system for rapid follow-up shots Standard 1/2 by 28 thread for muzzle device compatibility Elevate your firearm's potential with the Guntec USA BAR-7.5-SS barrel today.