Noveske Lightweight Stainless Barrel - 18"

18" Lightweight 5.56mm Barrel 1:7 Twist improved polygonal rifling 5.56 Noveske Match Mod 0 chamber Intermediate length gas system - Gas Tube Provided M4 feedramps 1/2 X 28 TPI Bead blasted finish 1" long gas block seat Pinned low profile gas block Light Contour Weight: 32 oz w/ Gas Block The Intermediate length gas system is 1.5" shorter then the rifle length gas system. The barrel ships with gas block installed. This barrel is designed for our gas block that is 1" long (INCLUDED). A standard front sight base is 1.9" 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.