Centurion Arms 16″ 5.56 Lightweight Midlength Hammer-Forged Barrel


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Centurion Arms 16″ 5.56 Lightweight Midlength Hammer-Forged Barrel

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.


  • Length: 16″
  • Contour: Modified Government, Lightweight
  • Gas System Length: Midlength
  • Gas Block Journal Diameter: 0.750″
  • Thread Pitch: 1/2×28
  • Chamber: 5.56 NATO
  • Twist: 1:7 Twist
  • # of Grooves: 6 Grooves
  • Material: 4150 Chrome Moly Vanadium
  • Finish: Chrome-lined, Phosphate

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

14.5 inch Midlength Gas, 16 inch Midlength Gas

2 reviews for Centurion Arms 16″ 5.56 Lightweight Midlength Hammer-Forged Barrel

  1. coryt0821 (verified owner)

    Super underrated barrel. Even on a radian model 1 it doesn’t seem heavy or unbalanced. Smooth shooter too.

  2. clintonmurders (verified owner)

    Top tier barrel

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