The Ballistic Advantage Premium Black 20-Inch 6mm ARC Rifle Barrel (brand part no. BABL6MM003PQ) is chambered in 6mm ARC and built around a rifle-length gas system for an AR15-pattern upper. It is machined from 416 stainless steel and finished with a QPQ nitride coating, and it carries a Nickel Boron coated extended M4 feed ramp extension for smoother, more reliable feeding. A 1:7 twist rate stabilizes the heavier-for-caliber bullets that make 6mm ARC effective at extended range. At a full 20 inches, it gives the cartridge maximum barrel length to reach its full ballistic potential, part of Ballistic Advantage’s Premium Black Series.

Key Specifications

• Chambered in 6mm ARC.
• Measures 20 inches in overall barrel length.
• Runs a rifle-length gas system.
• Carries a 1:7 twist rate for heavier 6mm ARC bullets.
• Machined from 416 stainless steel.
• Finished with a QPQ nitride coating.
• Features a Nickel Boron coated extended M4 feed ramp extension.
• Part of Ballistic Advantage’s Premium Black Series.

Frequently Asked Questions

What twist rate does this barrel have? 1:7, which stabilizes the heavier bullets common in 6mm ARC loads.

What gas system does this barrel use? A rifle-length gas system, matched to its 20-inch length.

Buy the Ballistic Advantage Premium Black 20-Inch 6mm ARC Rifle Barrel

Order the Ballistic Advantage 6mm ARC Rifle Barrel from our Lubbock, Texas gun shop for long-range performance built around a proven twist rate. As a bare barrel among our AR barrels, it ships direct with no FFL transfer required. Reserve yours through our Lubbock, TX gun shop and we will get it on its way as soon as it’s ready to ship.