Faxon Duty Series 8″, 8.6 Blackout, Pistol Length, 4150, Nitride, AR-10 Barrel


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These 8.6 BLK Faxon barrels are machined from raw bar stock in their greater Cincinnati Facility. Faxon states that their 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 4150 CMV, each barrel goes through a battery of tests at each operation until finished in Nitride and final inspected.

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.
Learn more and find load data provided by Faxon by Clicking Here.

  • Barrel Material: 4150 CMV
  • Rifling: Button
  • Barrel Caliber: 8.6 BLK
  • Barrel Twist: 1:3
  • Barrel Length: 8″
  • Barrel Profile: Big Gunner
  • Barrel Gas System: Pistol
  • Inside Finish: Salt Bath Nitride
  • Outside Finish: Salt Bath Nitride
  • Muzzle Thread: M18x1.5, tapered shoulder (adapter included)
  • Gas Block Diameter: .875″
  • Gas Block Journal Length: 1.9″
  • Barrel Extension: Standard DPMS Gen 1 .308 Extension, Black Oxide
  • Weight: 1.6 lbs
  • Magnetic Particle Inspected
  • 11° Target Crown

Additional information

Weight 2 lbs


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