Experience precision with the Ballistic Advantage Premium 6mm ARC 18" Rifle Barrel expertly crafted from 416 Stainless Steel and finished with a robust QPQ coating. This barrel part of the esteemed Premium Black Series includes a Nickel Boron Coated Extended M4 Feed Ramp Extension for enhanced reliability. With a 1:7" twist rate and Ops 12 barrel features it offers superior accuracy and stability. Designed with a rifle-length SPR profile this barrel is ideal for shooters seeking top-tier performance and durability in their firearm components.