Noveske Lightweight 5.56mm 16 Inch Stainless Barrel With Pinned Gas Block And Gas Tube

One in 7 inch twist improved polygonal rifling, 5.56 Noveske Match Mod 0 chamber, extended feed ramps, bead blasted finish, mid length gas system, gas tube, pinned Low Profile Gas Block, 1/2x28 threads. Light contour weight: 29 ounces. Barrel ships with gas block installed. Barrel is designed for our gas block that is 1 inch long (included). Standard front sight base is 1.9 inches long and will not fit. Barrel installation should be performed by a qualified gunsmith. Installation of the gas block dowel pin and gas block is required to complete the assembly process.