Faxon Firearms Duty Series 5.56 NATO 12.5" Barrel, Black Chrome Mag Phosphate - 15A57C125NMPCL

This Faxon Firearms Duty Series barrel is a 12.5" 4150 CMV steel barrel chambered in 5.56 NATO with a 1:7" twist rate, featuring a button rifled construction and black chrome mag phosphate finish. The barrel is compatible with AR-15 platforms and is designed for duty and tactical applications. Installation requires standard AR-15 barrel installation tools and headspace gauging.