Faxon Firearms Duty Series 5.56 NATO 20" Barrel, Black Nitride - 15A58R20NGQ

This Faxon Duty Series barrel is a 20" rifle-length gas system barrel chambered in 5.56 NATO with a 1:8 twist rate, compatible with AR-15 platforms. Constructed from 4150 steel with button rifling and finished in QPQ black nitride for corrosion resistance and durability. The barrel features a target crown and is drop-in compatible with standard AR-15 receivers.