The Tiger Rock Inc. BR308-20S AR-10/LR-308 20" Rifle Length Barrel represents the pinnacle of precision and durability for discerning marksmen. Crafted from high-quality 416R stainless steel, this 20-inch barrel features a 1:10 twist rate that maximizes bullet stabilization, ensuring exceptional accuracy for long-range shooting scenarios. 20-inch barrel length for improved accuracy 1:10 twist rate ensures optimal bullet stabilization Light contour profile for easy maneuverability .750" gas block diameter for reliable cycling Compatible with AR-10 platform and DPMS configurations Elevate your shooting game with the Tiger Rock BR308-20S, engineered for performance and reliability.