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Questions & Answers
Is this barrel made from 4150 steel and dimpled opposite the gas port?

This barrel is made of 4150 CrMoV steel, featuring a chrome-lined bore with honed and hand-lapped rifling. The barrel has a 0.750” gas block that is dimpled for ease of installation and solid lock-up.

by Brandon, Verified Owner, January 20, 2021
What is the twist for this barrel? Expert Answer

The Criterion Barrels AR-15 HBAR Rifle Gas System Barrels have a 1:8 twist.

by Hunter, Gear Expert, July 20, 2022
Customer Reviews
Helpful Positive Review
Fixed my rifle. by Vangey, Verified Owner, May 19, 2021
I have an FN15 DMR that just wasn’t very accurate. Turns out it was the 55GR ammo I have tons of. I ordered this barrel to replace the factory 1/7 twist barrel. What a difference. 1 MOA accuracy with standard XM55 ammo. I couldn’t be happier.
1/1 found this helpful
Helpful Positive Review
M. Deal, Deal's Guns, Corpus Christi, Tx. by Old Texas Outlaw, April 3, 2017
I have built over 75 custom AR's using Criterion Barrels. They are second to none. With good ammo, these barrels will consistently shoot .5 moa or better. If you want a tack driving AR, you simply cannot go wrong with them. I'll put them up again...
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10/11 found this helpful
Helpful Positive Review
HBAR Criterion 223 by Pew14, July 13, 2019
Bought this for a custom AR build. I have had many custom and aftermarket barrels, and this one is awesome!! First and foremost, my rifle with this barrel is legit 1/2 MOA. The best surprise to me with this barrel was how easy it was to break in. ...
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4/4 found this helpful
Helpful Positive Review
Excellent Barrel by Gary, Verified Owner, March 8, 2021
I don't really have much to add to the other 2 reviews. This barrel is excellent, great fit and finish with outstanding accuracy. I had a cheap AR Stoner complete upper that functioned great but just wasn't very accurate (sorry MidwayUSA). I repla...
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1/1 found this helpful
Most Recent Reviews
great product that can withstand the heath. Beautiful finish, heavy duty . Glad I purchased it and most likely be buying few more to replace my original ones that cam as complete upper. Now am building few more and soon be ordering few more criterion...
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Read All 5 Reviews

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Product Info for Criterion Barrels AR-15 HBAR Rifle Gas System Barrel

The Criterion AR-15 HBAR Rifle Gas System Barrels are built to match specific .223 Remington and 5.56 NATO ammunition, and can also safely fire 223 Remington and 5.56 NATO ammunition. Criterion AR-15 HBAR Match-Grade Rifle Barrels are chrome-lined internally for superior barrel life and corrosion resistance. When you need a barrel that will deliver superior rigidity and heat absorption, or you need to find the sweet spot for rapid fire strings, the HBAR barrel is an excellent choice. These barrels are optimized for competition use, however, they are also an reliable option for small-game hunting. You will also find that a barrel from Criterion Barrels has a superior internal barrel life and a great fit, and they have great harmonics under rapid strings of fire. The barrels feature a 1/2x28 TPI muzzle threads, a 0.750" Gas Block, and muzzle threads that are compatible with a large range of muzzle devices and suppressors. The rifling is also polished, which helps ensures reliable feeding and extraction. Each Criterion AR-15 HBAR Match Grade Rifle Gas System Barrel comes with a zeroed M4 feed ramp - ensuring this barrel will not only perform superbly in the field but also provide a great shooting experience!image

Specifications for Criterion Barrels AR-15 HBAR Rifle Gas System Barrel:

Manufacturer: Criterion Barrels
Fabric/Material: Steel
Caliber: .223 Wylde
Barrel Profile: HBAR
Gas System Length: Rifle Length
Gas Block Journal Size-Diameter: .750 in
Barrel Twist Rate: 1-8
Flutes: No
Gun Make: AR Platform
Gun Model: AR-15
Additional Features: M4 Barrel Extension
Firearms Threads Per Inch: 1/2x28

Features of Criterion Barrels AR-15 HBAR Rifle Gas System Barrel

  • Chrome-lined internally for superior barrel life and corrosion resistance. Their 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
  • Carbine gas system compatible with AR15 gas tube system
  • Gas hole tuned for proper function with and without suppressor
  • 0.750" Gas Block, dimpled for ease of installation and solid lock-up
  • 1/2x28 TPI muzzle threads compatible with a wide range of muzzle devices and suppressors
  • Precision-machined barrel extension with M4 feed ramp

Package Contents:

  • Criterion Barrels AR-15 HBAR Rifle Gas System Barrel

Criterion Barrels AR-15 HBAR Rifle Gas System Barrel Orderable Models

List of Orderable Models

  • Criterion Barrels 20in AR-15 HBAR Rifle Gas System Barrel, SS, Stainless Steel, 1520S-HB12 , MPN: 1520S-HB12 , Code: 2RR-ATB-RHBAR-1520S-HB12
  • Criterion Barrels 18in AR-15 HBAR Rifle Gas System Barrel, Chrome-lined, Parkerized, 15180-HB12 , MPN: 15180-HB12 , Code: 2RR-ATB-RHBAR-15180-HB12
  • Criterion Barrels 20in AR-15 HBAR Rifle Gas System Barrel, Chrome-lined, Parkerized, 15200-HB12 , MPN: 15200-HB12 , Code: 2RR-ATB-RHBAR-15200-HB12
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