Discover the Faxon Duty Series 5.56 Barrel 18" Gunner for AR15 the optimal choice for precision and performance. This barrel's unique Gunner profile blends the rugged durability of the gov't profile with the lightweight agile benefits of a pencil profile ensuring reduced fatigue and improved balance closer to your body for extended use. Crafted with a mid-barrel gas system 11-degree target crown for superior accuracy QPQ nitride finish inside and out and a 1:8 twist rate this barrel is built for durability precision and maneuverability. Button rifled design with a 1.9" gas block journal and M4 barrel extension ensures reliability and top-tier performance whether it's for shooting sessions training or hunting outdoors.