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Manufactured in-house, these barrels are fully stress relieved, air-gauge tested, and 11 degree target crowned to ensure superior accuracy.
Quality is imbued into Faxon’s barrels from the start. Faxon start with the best materials, either certified 4150 Mil-Spec steel or 416-R Stainless. From there, each barrel goes through a battery of tests at each operation until finished in Nitride and final inspected. All barrels are individually checked for headspace by precision custom hardened gauges.
Faxon AR-15 5.56 Pencil barrels have a narrow O.D. both fore and aft of the gas block, for maximum weight saving. AR-15 5.56 Pencil barrels are manufactured at Faxon’s ISO-certified facility from one of the hardest materials on the planet, 4150 CMV carbon steel, featuring a QPC black Nitride or FDE coating for superior wear-resistance and longevity.
All Faxon AR-15 5.56 Pencil barrel feature M4 feedramps for to aid in reliable chambering and extraction of round, and they must pass magnetic particle inspection to ensure consistent quality.
SPECS
Barrel Material: 4150 CMV
Barrel Type: Button Rifled
Barrel Caliber: 5.56
Barrel Twist: 1:8
Barrel Length: 10.5"
Barrel Profile: Pencil
Barrel Gas System: Carbine or Mid-Length
Inside Finish: Nitride
Outside Finish: Nitride
Muzzle Thread: 1/2-28
Gas Block Diameter: .625"
Gas Block Journal Length: 1.1"
Barrel Extension: M4
Weight: 10.5” barrel 1.9 lbs / 14.5” barrel 1.15 lbs / 16” barrel 1.20 lbs
Magnetic Particle Inspected
11-degree Target Crown