Faxon Duty Series 10.5 inch .458 SOCOM Gunner Big Bore barrel, pistol-length gas

FAXON DUTY SERIES GUNNER PROFILE 10.5" PISTOL-LENGTH .458 SOCOM AR15 BARREL

Faxon
SKU:
15A45814P10NGQ
|
UPC:
816341024236
$265.00
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Description

Faxon Duty Series — 10.5" Gunner Profile .458 SOCOM AR-15 Barrel (Pistol-Length Gas)

4150 CMV Steel • Gunner Big Bore Profile • 1:14 Twist • Nitride Finish • 11/16x24 Threads • .875 Gas Block

The Faxon Duty Series 10.5" .458 SOCOM Gunner Big Bore barrel delivers impressive stopping power in a compact AR-15 platform. Combining Faxon’s renowned Gunner profile with a larger bore design, this barrel balances weight and strength for superior maneuverability and durability.

Machined from 4150 CMV steel, stress relieved, and Nitride treated inside and out, this barrel offers exceptional corrosion resistance and longevity. Each barrel is air-gauge tested, Magnetic Particle Inspected (MPI), and headspace checked to ensure reliability and accuracy for demanding shooters.

Key Benefits

  • Big Bore Power: Optimized for heavy-hitting .458 SOCOM performance in a compact 10.5” length.
  • 4150 CMV Steel: Durable, Mil-Spec material for long-lasting service life and strength.
  • Gunner Big Bore Profile: Balances weight savings with rigidity to maintain accuracy under recoil.
  • Salt Bath Nitride Finish: Corrosion-resistant inside and out for easy maintenance.
  • Pistol-Length Gas System: Tuned for reliable cycling with subsonic and supersonic ammunition.
  • Rigorous QC: Fully stress relieved, MPI inspected, and air-gauge tested.

Specifications

Caliber / Chamber
.458 SOCOM
Length
10.5"
Twist Rate
1:14 Right-Hand Twist
Profile
Gunner (Big Bore)
Gas System
Pistol-Length
Material
4150 CMV Steel
Rifling Method
Button Rifled
Finish
Salt Bath Nitride (Inside & Out)
Muzzle Threads
11/16x24
Gas Block Diameter
.875"
Gas Block Journal Length
1.1"
Weight
1.50 lbs
Crown
11° Target Crown

Frequently Asked Questions

What is the .458 SOCOM cartridge designed for?
.458 SOCOM offers massive energy transfer for hunting, defense, and short-range tactical applications in the AR-15 platform.
Why use a pistol-length gas system?
The pistol gas system ensures reliable cycling and gas pressure for both subsonic and supersonic .458 SOCOM loads.
Does this barrel use a standard AR-15 receiver?
Yes, this .458 SOCOM barrel fits standard AR-15 upper receivers and bolts designed for .458 SOCOM.

Overview: 10.5" Duty Series .458 SOCOM Gunner Big Bore Barrel

The Faxon Duty Series 10.5" Gunner Big Bore .458 SOCOM barrel delivers tremendous power in a short, maneuverable package. Built from 4150 CMV steel with a Nitride finish, it’s engineered for durability, corrosion resistance, and consistent accuracy.

Featuring Faxon’s Gunner Big Bore profile, 1:14 twist, and 11/16x24 muzzle threads, this barrel is ideal for suppressed or unsuppressed heavy-bullet applications. Every Faxon barrel is stress relieved, MPI inspected, and headspace checked to meet the highest performance standards.

Additional Information
Barrel Material:
4150 CMV
Barrel Type:
Button Rifled
Caliber:
458 Socom
Muzzle Thread:
11/16x24
Barrel Length:
10.5"
Barrel Twist:
1:14
Barrel Profile:
Gunner Big Bore
Barrel Gas System:
Pistol
Inside Finish:
Salt Bath Nitride
Outside Finish:
QPQ Nitride
Gas Block Diameter:
.875"
Gas Block Journal Length:
1.1"
Barrel Extension:
Big Bore
Weight:
1.50 lbs.
Crown Type:
Recessed 11-degree Target Crown
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