Faxon Firearms is proud to partner with Q on the development of barrels for their revolutionary new round, 8.6 Blackout (8.6 BLK).With barrels employing an impressive 1:3 twist rate, 8.6 BLK channels rotational energy to increase energy on-target.As with all Faxon Barrels, these 8.6 BLK barrels are machined from raw bar stock in our greater Cincinnati Facility. Faxon 8.6 BLK barrels are fully stress-relieved, air-gauge tested, Magnetic Particle Inspected, and 11-degree target crowned to ensure superior accuracy. Constructed of 416-R Stainless Steel, each barrel goes through a battery of tests at each operation until finished in Nitride and final inspected.All Faxon Barrels are individually checked for headspace by precision custom hardened gauges and are backed by the Faxon Lifetime Guarantee.Faxon RemAgeA(C) Style Barrels for 8.6 BLK ship with a Thread Protector, Taper Adapter, and Faxon RemAgeA(C) Style Barrel Nut. Faxon's barrel nut uses a standard AR Armorer's Castlenut Wrench profile.Consumer Note:At the time of release, 8.6 BLK is not SAAMI certified. Please use appropriate caution while firing and when using reloaded ammunition.**Please Note - These barrels are not compatible with the Faxon Firearms FX7 Bolt Action Receiver before job number 8923. Barrels produced before this job number are only compatible with factory R700 actions and similar. As of 12/13/23, these barrels are compatible with both factory R700 and the Faxon FX7 actions and similar.Specifications: Barrel Material: 416-R StainlessRifling: ButtonBarrel Caliber: 8.6 BLKBarrel Twist: 1:3Barrel Length: 16"Barrel Profile: Modified Light PalmaInside Finish: Salt Bath NitrideOutside Finish: Salt Bath NitrideMuzzle Thread: M18x1.5, tapered shoulder (adapter included)Weight: 2.38 lbs (including barrel nut, adapter, and thread protector)Barrel Nut IncludedThread Protector IncludedMagnetic Particle Inspected11Adeg Target CrownPLEASE NOTE:We have noticed inconsistencies with 8.6 BLK ammunition available on the market. Ammunition that does not match cartridge print below cannot be guaranteed to function in our rifles or barrels.