Faxon Firearms is proud to partner with Q on the development of barrels for their revolutionary new round, 8.6 Blackout. These barrels feature an impressive 1:3 twist rate, designed to channel rotational energy and increase energy on target. Like all Faxon barrels, the 8.6 Blackout barrels are machined from raw bar stock at our facility in greater Cincinnati, ensuring top notch quality at every stage. Faxon 8.6 Blackout barrels are fully stress relieved, air gauge tested, Magnetic Particle Inspected and 11 deg target crowned to guarantee superior accuracy. Constructed from 416R stainless steel, each barrel undergoes a rigorous series of tests throughout the manufacturing process before being finished in Nitride and going through a final inspection. Each barrel is individually checked for headspace using precision custom hardened gauges to ensure a precise fit. Faxon's barrels are backed by the Faxon lifetime guarantee, ensuring a lifetime of reliable performance. Faxon RemAge style barrels for 8.6 Blackout ship with a thread protector, taper adapter and Faxon RemAge style barrel nut. The barrel nut features a standard AR Armorer's castlenut wrench profile for easy installation. Durable salt bath nitride finish for superior corrosion-resistance and enhanced wear protection M18x1.5 tapered shoulder muzzle thread for a precise and secure fit, providing improved alignment and stability for muzzle devices and suppressors Thread protector included with the package Barrel nut included in the package Magnetic particle inspected for quality assurance The firearm is equipped with an 11 degree target crown