Enhance your shooting experience with the Tiger Rock Inc. BR167-P 5.56 NATO 16" Mid Length Barrel. This premium barrel delivers exceptional precision and reliability, ensuring superior performance on the range or in the field. Crafted from 4150 heat-treated chrome moly steel, the barrel boasts a robust parkerized finish that withstands harsh conditions. The 1:7 twist rate effectively stabilizes a variety of ammunition, while the mid-length gas system improves accuracy and reduces recoil for a smoother shot. Length: 16" Parkerized Finish 5.56 NATO 1:7 Twist .750" gas block diameter MID Length gas system with a 0.07 gas hole diameter 1/2"x28 Thread Pitch 4150 Heat Treated Chrome Moly Steel Made in the U.S.A. Fits: AR-15 Choose the BR167-P for unmatched accuracy and reliability in all your shooting endeavors.