Enhance your AR-15's performance with the Tiger Rock Inc. BR168-M 5.56 NATO 16" Mid Length Barrel. Precision-engineered for competitive shooting, it delivers unmatched accuracy and reliability. Constructed from durable 4150 heat-treated chrome moly steel, this barrel features a black nitride finish for superior corrosion resistance. The 1:8 twist rate and mid-length gas system make it perfect for high-precision applications. 16" Length for optimal maneuverability 1:8 Twist Rate for enhanced projectile stabilization .750" Gas Block Diameter for reliable operation 1/2"x28 Thread Pitch compatible with standard muzzle devices Manufactured in the USA ensuring quality craftsmanship Exclusively designed for 5.56 NATO ammunition Transform your shooting experience with this exceptional barrel, crafted for the serious enthusiast.