Faxon Firearms 10.5" .458 SOCOM Pistol Length Gunner Big Bore Barrel

Manufactured by Faxon Firearms
SKU: 15A45814P10NGQ
MPN: 15A45814P10NGQ
Manufactured by Faxon Firearms
2 Reviews

Out of Stock

NOTE: Limit 1 per household. Quantities exceeding 1 will not allow checkout.



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 .458 SOCOM with a 1:14 twist
  • 4150 chrome moly vanadium steel
  • Pistol length gas system
  • Gunner Big Bore profile
  • 11/16x24 thread pitch
  • Gas seat diameter: 0.875"
  • QPQ nitride finish
  • Button rifled
  • Magnetic particle inspected
  • 11-degree target crown
  • Weight:
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Barrel CoatingSalt Bath Nitride
Barrel ContourGunner
Barrel Length10.5
Barrel LiningSalt Bath Nitride
Barrel Material4150 Chrome Moly Steel
BrandFaxon Firearms
Caliber Gauge.458 SOCOM
Feed RampsMonolithic
Gas Seat Diameter.875
Gas System LengthPistol
Thread Pattern11/16 X 24
Twist Rate1:14

WARNING: This Product can expose you to chemicals which is known to state of California to cause Cancer and Reproductive Harm. For more information, see www.p65warnings.ca.gov

Ratings & Reviews

2 reviews

  • 4 stars
  • 0 reviews
  • 3 stars
  • 0 reviews
  • 2 stars
  • 0 reviews

Needs adjustable gas block

by -

Normal gas block and carbine buffer does not cycle 325 grain which is the most common 458 round available.


by -

All out great product. Pistol platform with NO cycle issues and outstanding feed ramps.
<br>Will buy again.