Faxon Firearms 16" .223 Wylde Mid-Length Gunner Barrel

Manufactured by Faxon Firearms
1 Reviews


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Faxon Machining engineers and manufactures components that are found everywhere. In theaters of combat, on the ocean floor, in cars, in aircraft, on the ISS, and on Mars. Now, they bring their engineering excellence to bear on providing new and innovative components for the AR-15 platform that set the standard for quality. Faxon Firearms, manufacturing strategic solutions for tactical problems.

Manufacturing of Faxon barrels begins and ends in their Cincinnati, Ohio facility under ISO 9001/9100 quality certifications. Each barrel they produce is fully stress relieved, air-gauge tested, and 11-degree target crowned to ensure superior accuracy.

Crafted from the best materials, either certified 4150 MIL-SPEC steel or 416R stainless, each barrel undergoes rigorous quality controls before QPQ finishing and final inspection. Once finished, each barrel is examined for proper headspace using precision custom hardened gauges.

  • Chambered in .223 Wylde with a 1:8 twist
  • 416R stainless steel
  • Mid-length gas system
  • Gunner profile
  • 1/2x28 thread pitch
  • Gas seat diameter: 0.625"
  • QPQ nitride finish
  • Button rifled
  • nickel Teflon coated M4 barrel extension
  • Magnetic particle inspected
  • 11-degree target crown
  • Weight: 1.33 lbs


Barrel CoatingSalt Bath Nitride
Barrel ContourGunner
Barrel Length16
Barrel LiningSalt Bath Nitride
Barrel Material416R Stainless Steel
BrandFaxon Firearms
Caliber Gauge.223 Wylde
Feed RampsM4
Gas Seat Diameter.625
Gas System LengthMid-Length
Thread Pattern1/2 X 28
Twist Rate1:8 5R
Weight1.2 lbs

Ratings & Reviews

1 review

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Excellent all around barrel

by -

I'm still breaking in the barrel, but from what I've seen so far I'm highly impressed. Fit and finish is perfect, and it fit snugly into the upper. This barrel is light where it counts, noticeably lighter than average. Accuracy is good so far, averaging 1.5" groups at 100 meters using M855. Hoping to get some Mk262 through it soon, should group better than green tip.