The Faxon Firearms Duty Series 16" 5.56 NATO Barrel is engineered for precision and durability crafted from 4150 MilSpec steel and rigorously tested throughout production. This barrel features a mid-length gas system and Socom profile ensuring reliable performance with every shot. Its QPQ Black Nitride finish provides superior corrosion resistance both inside and out. The 1:8" twist rate enhances bullet stability making it ideal for a variety of shooting applications. With a 1.1 gas block journal M4 barrel extension and 11-degree target crown this barrel is designed for those seeking enhanced accuracy and dependability in their firearm setup.