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Faxon’s Gov’t / SOCOM 5.56 AR-15 barrel profile is a mix of the standard M4 profile and a heavy profile - skinny behind the gas block with a thicker O.D. ahead of it for a good balance of rigidity (for accuracy) and manageable weight. Machined from 4150 CMV carbon steel for an excellent balance accuracy and longevity, and QPQ Nitride coated inside and out for amazing corrosion resistance and durability.

All Faxon Gov’t / SOCOM 5.56 AR-15 barrels are fully stress-relieved, air-gauge tested, and individually checked for headspace by precision custom hardened gauges. They are put through a battery of tests at each operation until they a final inspected and allowed out the door.

  • Rifling: 1-8" twist, button rifled
  • Profile: Gov't/SOCOM
  • Inside Finish: QPQ Nitride
  • Outside Finish: QPQ Nitride
  • Muzzle Thread: 1/2"-28 tpi
  • Gas Block Shoulder Diameter: .750"
  • Gas Port Diameter: .081"
  • Gas Block Journal Length: 1.9"
  • Magnetic Particle Inspected!
  • 11-degree Target Crown

All Gov’t / SOCOM 5.56 AR-15 have M4-type feed ramps in the barrel extension to aid in reliable chambering of each round.


Big Book Catalog, Issue:73, Page:028

FAXON FIREARMS - AR-15 5.56 GOV'T/SOCOM BARRELS

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In Stock

Cartridge: 5.56 mm NATO

Length: 16"

Contour: Government

Finish: Black

Gas System Length: Mid-Length

Twist: 1-8

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Cartridge: 5.56 mm NATO

Length: 10.5"

Barrel Weight: 1.1 lbs

Contour: Lightweight, Pencil

Finish: QPQ, ...

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Discontinued by Brownells

Product has been discontinued and no longer available.

Discontinued by Brownells

Product has been discontinued and no longer available.