Noveske Leonidas AR-15 Barrel 5.56x45mm NATO 12.5" Lightweight Contour 1:7" Twist Chrome Lined with Low Profile Gas Block

Noveske's AR-15 Match Barrels feature their exclusive 5.56 Match Mod 0 Chamber, designed to offer outstanding accuracy with both 5.56x45mm NATO and 223 Remington ammunition. Composed of Cold Hammer Forged Steel, the bore is given improved polygonal rifling that slightly boosts projectile velocity and reduces the speed of the bore's erosion, meaning superior accuracy retention that outlasts that of barrels with conventional rifling. All Noveske match barrels have a bead-blasted satin finish, M4 e