FAXON FIREARMS Duty Barrel 5.56 11.5" TB AR-15 1:8 Gunner Black

FAXON FIREARMS Duty Barrel 5.56 11.5" TB AR-15 1:8 Gunner Black Built from 4150 CMV steel, this button-rifled barrel is treated with a black nitride finish both inside and out for superior corrosion resistance and extended barrel life. The 1:8 twist rate provides excellent stabilization across a wide range of 5.56 NATO and .223 Rem bullet weights, making it a versatile choice for both defensive and range applications.