Faxon Big Gunner 8.6 Blackout 12″ 1:3 AR-10 Barrel

Description

The Faxon Firearms Big Gunner 12-inch barrel is built for AR-10 platforms chambered for 8.6 Blackout. Machined from 4150 CMV steel and finished with a salt-bath nitride process, the barrel is inspected for concentricity and accuracy control. Button rifling and an 11-degree target crown are incorporated to support consistent groups. M18x1.5 muzzle threads and a standard DPMS Gen 1 .308 extension provide broad component compatibility.

Key Specifications

• The caliber is 8.6 Blackout.
• Designed to fit AR-10 platforms.
• The barrel length is 12 inches.
• The rate of twist is 1:3.
• The contour is Big Gunner.
• Constructed from 4150 CMV steel.
• The rifling is button rifled.
• The finish is salt-bath nitride.
• The muzzle threads are M18x1.5.
• The barrel uses a DPMS Gen 1 .308 extension.

Purpose-built for compact AR-10 builds and precision-minded shooters who prioritize durability, the Faxon Big Gunner 12″ barrel combines robust materials, careful inspection, and practical compatibility. Its short profile and heavy contour help stabilize shots while the nitride finish and inspected construction support longevity in regular use. This barrel is a solid choice when building a compact, dependable upper that emphasizes accuracy and serviceable durability.