The Guntec USA BAR-7.5 is a top-tier 7.5" 5.56mm barrel that embodies precision and durability, tailored for discerning shooters. Engineered from high-grade 4150 Chromoly Steel, this barrel guarantees reliability and optimal performance in any shooting condition. Constructed from durable 4150 Chromoly Steel 1:7 twist rate for precision and versatility .750 gas platform system for efficient cycling Pistol-length gas system ideal for close-quarters Lightweight contour profile for easy handling Black nitride coating for enhanced wear resistance Enhance your firearm's capabilities with the Guntec USA BAR-7.5 barrel for unmatched accuracy and performance.