Optimize your AR-15 setup with the Tiger Rock Inc. BRPIS-P 5.56 NATO 7.5" barrel, engineered for superior performance and reliability. Crafted in the USA from premium 4150 chrome moly vanadium steel, this medium profile barrel balances weight and strength optimally, making it perfect for rapid-fire scenarios while maintaining accuracy and consistency. 1:7 twist rate stabilizes various projectiles for improved accuracy. Parkerized finish for enhanced corrosion resistance. .750" gas block diameter for reliable cycling with reduced recoil. Compatible with a wide range of muzzle devices featuring 1/2"x28 thread pitch. Precision-engineered for tactical, home defense, and recreational shooting. Elevate your shooting experience with the Tiger Rock BRPIS-P barrel, designed for enthusiasts who demand excellence.