NOVESKE BARREL 5.56 11.5″ STS

The barrel ships with a gas block. This barrel is designed for Noveske’s 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.