Faxon Firearms is excited to announce its collaboration with Q in the creation of cutting-edge barrels for the innovative 8.6 Blackout (8.6 BLK) round. These barrels feature an extraordinary 1:3 twist rate, harnessing rotational energy to deliver enhanced on-target impact. Crafted with precision, each 8.6 BLK barrel is machined from raw bar stock at our State-of-the-art facility in Greater Cincinnati. To ensure unparalleled accuracy, the barrels undergo a comprehensive process including full stress relief, air Gauge testing, magnetic particle Inspection and an 11 degree target crown finish. Constructed from high-quality 4150 chrome moly vanadium (CMV) steel, every barrel is subjected to rigorous testing at each stage of production, culminating in a durable nitride finish and a meticulous final inspection. Our commitment to quality is further demonstrated by the use of precision custom hardened Gauges for individual headspace verification. As with all Faxon barrels, the 8.6 BLK barrels are backed by the Faxon Lifetime Guarantee, ensuring reliability and performance you can trust.

11 degree target crown
Twist rate - 1:3
Gas block diameter - 0.875 inches
Gas block journal length - 1.9
DPMS Gen 1 .308 extension, standard, black oxide
Pistol-length, button-rifled, big gunner barrel
Magnetic particle inspection (MPI) for optimal performance to ensure optimal performance, it is essential to conduct magnetic particle inspection (MPI) with precision and adherence to established protocols
This non-destructive testing method is employed to detect surface and near surface discontinuities in ferromagnetic materials
By applying a magnetic field to the test object and introducing magnetic particles, any disruptions in the magnetic field caused by defects become visible, allowing for accurate identification and assessment
Proper execution of MPI requires a thorough understanding of the equipment, materials and techniques involved, as well as strict compliance with safety standards and guidelines

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