Criterion HBAR 18″ .223 Wylde Rifle Gas Barrel, 1:8 Twist


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Criterion HBAR 18″ .223 Wylde Rifle Gas Barrel, 1:8 Twist

When superior rigidity and heat absorption are needed, the HBAR contour is an excellent solution.

The HBAR barrel provides superior harmonics under rapid strings of fire. These barrels are optimized for competition use; however, they are also a reliable option for small-game hunting.

Headspace (the bolt to barrel fitment), must be checked for optimal performance and reliability. Proper headspace produces consistent chamber pressures and seating depths which results in increased accuracy and reliability, while reducing wear and tear on internal parts and components.


  • Chrome-lined internally for superior barrel life and corrosion resistance. Our chrome-lining process is the most refined in the industry and will not degrade accuracy.
  • .223 Wylde chamber that is designed to safely and effectively fire both .223 Remington and 5.56 NATO ammunition
  • Honed and hand-lapped rifling for bore uniformity and a pristine internal finish – aids in barrel cleaning and paramount for accuracy
  • Finely polished chambers for reliable extraction and feeding
  • Rifle gas system compatible with AR15 gas tube system
  • Gas hole tuned for proper function with and without suppressor
  • 0.750” Gas Block journal, dimpled for ease of installation and solid lock-up
  • 1/2×28 TPI muzzle threads compatible with a wide range of muzzle devices and suppressors
  • Precision-machined barrel extension with M4 feed ramps


  • Length: 18″
  • Contour: HBAR Series
  • Gas System Length: Rifle
  • Gas Block Journal Diameter: 0.750″
  • Thread Pitch: 1/2×28
  • Chamber: .223 Wylde
  • Twist: 1:8 Twist
  • # of Grooves: 6 Grooves
  • Material: 4150 Chrome Moly Vanadium
  • Finish: Chrome-lined, Phosphate
  • Actual Weight: 2.65 Pounds

Note: All NFA rules apply

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