Faxon Firearms Big Gunner 8.6 Blackout 16″ Barrel

The Faxon Firearms Match Series Big Gunner barrel is built for AR-10 platforms chambered for 8.6 Blackout. It uses a fast 1:3 rate of twist and 5R button rifling to support the stabilized flight characteristics of this cartridge family. Faxon reports factory-level quality controls including full stress-relief, air-gauge testing, magnetic particle inspection and an 11-degree target crown to support consistent performance.

Key Specifications

• The barrel measures 16″ for a balance of maneuverability and ballistic performance.
• The barrel finish is Bead Blast for a subdued, non-reflective surface.
• The rifling is 5R Button Rifled to promote efficient bullet engagement and reduced deformation.
• The rate of twist is 1:3, optimized for the 8.6 Blackout cartridge’s stabilization needs.
• The model is the Match Series Big Gunner variant.
• Designed for the 8.6 Blackout cartridge family.
• Compatible with AR-10 platform upper assemblies.
• The barrel is reported as fully stress-relieved to support dimensional stability.
• Quality control includes air-gauge testing and Magnetic Particle Inspection.
• The muzzle features an 11-degree target crown to protect the bore and support repeatable accuracy.

Engineered with attention to manufacturing controls and chambering tailored to 8.6 Blackout, the Match Series Big Gunner barrel provides a purpose-built option for AR-10 builders seeking a fast-twist, match-oriented tube with precision-focused finishing and inspection processes. Its combination of features suits precision shooting and specialized AR-10 applications where consistency and build quality matter.