Centurion Arms Lightweight Hammer-Forged Barrels, 5.56 Carbine


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Centurion Arms Lightweight Hammer-Forged Barrels, 5.56 Carbine

The Centurion Arms cold hammer forged 5.56 AR-15 barrels are made from high quality 41V50 Chrome Moly Vanadium—steel specifically designed for machine gun barrels—so you know it will last thousands of rounds.

In order to get the 1:7 twist rate, the barrel blanks are placed on a mandrel and compressed with power hammers to create extremely consistent and smooth lands and grooves with the benefit of work hardening the steel to improve durability. The bore and chamber are then chrome lined to create a surface that is harder than the steel which aids in longevity, and smoother which aids in extraction and overall reliability.


  • 12.5” barrel chambered in 5.56 NATO
  • 41V50 barrel steel
  • Cold hammer forged
  • Chrome lined chamber and bore
  • Manganese Phosphate coated
  • 1:7 twist rate
  • Carbine length gas system
  • HPT and MPI
  • M4 profile and feed ramps

The external surfaces are Manganese Phosphate coated to help with oil absorption increasing corrosion resistance. Each barrel is high pressure tested at 70,000 psi to ensure safe function with 5.56 NATO ammunition and is magnetic particle inspected for quality assurance.

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Additional information

Barrel Length

10.3 inch, Carbine Gas, 11.5 inch, Carbine Gas, 12.5 inch, Carbine Gas


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