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Criterion Barrels AR-15 Hybrid Nitrided Rifle Gas System Barrel Up to $16.50 Off w/ Free Shipping — 2 models

Criterion Barrels 18in AR-15 Hybrid Nitrided Rifle Gas System Barrel, Black, 1518S-HY12-N
Criterion Barrels 18in AR-15 Hybrid Nitrided Rifle Gas System Barrel, Black, 1518S-HY12-N
Criterion Barrels 18in AR-15 Hybrid Nitrided Rifle Gas System Barrel, Black, 1518S-HY12-N
Criterion Barrels 18in AR-15 Hybrid Nitrided Rifle Gas System Barrel, Black, 1518S-HY12-N
Criterion Barrels 18in AR-15 Hybrid Nitrided Rifle Gas System Barrel, Black, 1518S-HY12-N
Criterion Barrels 18in AR-15 Hybrid Nitrided Rifle Gas System Barrel, Black, 1518S-HY12-N
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Criterion Barrels 18in AR-15 Hybrid Nitrided Rifle Gas System Barrel, Black, 1518S-HY12-N
Criterion Barrels 18in AR-15 Hybrid Nitrided Rifle Gas System Barrel, Black, 1518S-HY12-N
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Criterion Barrels 18in AR-15 Hybrid Nitrided Rifle Gas System Barrel, Black, 1518S-HY12-N
Criterion Barrels 18in AR-15 Hybrid Nitrided Rifle Gas System Barrel, Black, 1518S-HY12-N
3 of 5 images
Criterion Barrels 18in AR-15 Hybrid Nitrided Rifle Gas System Barrel, Black, 1518S-HY12-N
Criterion Barrels 18in AR-15 Hybrid Nitrided Rifle Gas System Barrel, Black, 1518S-HY12-N
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Criterion Barrels 18in AR-15 Hybrid Nitrided Rifle Gas System Barrel, Black, 1518S-HY12-N
Criterion Barrels 18in AR-15 Hybrid Nitrided Rifle Gas System Barrel, Black, 1518S-HY12-N
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Criterion Barrels 18in AR-15 Hybrid Nitrided Rifle Gas System Barrel, Black, 1518S-HY12-N

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Questions & Answers
Does OP offer a headspaced bolt with the Criterion Barrels? Expert Answer

No, we do not.

by Jonathan D., Gear Expert, October 17, 2019
What is the ID size gas block needed for this barrel? Expert Answer

This barrel uses a .750 gas block.

by Jonathan D., Gear Expert, November 30, 2018
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
Impressive by Tom, August 12, 2017
Very satisfied with this barrel. Only 50 rounds through it and I'm already grouping sub MOA. After it breaks in a bit more I suspect even tighter groups. Finish is even and darker than a phosphate finish.
2/2 found this helpful
Helpful Positive Review
18” hybrid by H538, July 26, 2020
I bought the Rifle length 18” hybrid and was sighting it in with 75gr PPU matchline HT BT ammo. I didn’t do any type of break in, I just took it out and sighted it in. I was using a Trijicon 1-6 VCOG scope. I put about 80rds through it and was gettin...
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1/1 found this helpful
Helpful Negative Review
Misleading by Erik, Verified Owner, January 23, 2020
I purchase this barrel after talking with Criterion on the phone. I was told many times that this barrel would make me question shooting a bolt action again. I was promised 0.25-0.5” groups with factory match ammo. I followed all of Criterion’s assem...
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3/19 found this helpful
Most Recent Reviews
Exactly What You Expect of a Premium Barrel. by Bob, Verified Owner, December 21, 2024
Used with an AP AR15 Upper. Barrel is 18" Hybrid in 223 Wylde 1:8 Rifle length gas. M4 feedramps aligned exactly side to side and to the correct depth. Gas port diameter measures at 0.092", plenty for supers. Barrel pin aligns exactly with gas port, ...
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Read All 4 Reviews
2 Models Available
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Product Info for Criterion Barrels AR-15 Hybrid Nitrided Rifle Gas System Barrel

Their most popular configuration, the Hybrid contour is a mid-weight barrel that offers a perfect balance between weight and intelligently distributed barrel material for excellent heat absorption and consistent harmonics. This barrel can be easily carried in the field all day but will also also provide exceptional performance even under extreme use and high rates of fire.image

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

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

Features of Criterion Barrels AR-15 Hybrid Nitrided Rifle Gas System Barrel

  • .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, 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 ramps

Package Contents:

  • Criterion Barrels AR-15 Hybrid Nitrided Rifle Gas System Barrel

What firearm models does the manufacturer say Criterion Barrels AR-15 Hybrid Nitrided Rifle Gas System Barrel is compatible with?

The manufacturer suggests that Criterion Barrels AR-15 Hybrid Nitrided Rifle Gas System Barrel is compatible with AR-15

Criterion Barrels AR-15 Hybrid Nitrided Rifle Gas System Barrel Orderable Models

List of Orderable Models

  • Criterion Barrels 18in AR-15 Hybrid Nitrided Rifle Gas System Barrel, Black, 1518S-HY12-N , MPN: 1518S-HY12-N , Code: 2RR-ATB-RHYBD15N-1518S-HY12-N
  • Criterion Barrels 20in AR-15 Hybrid Nitrided Rifle Gas System Barrel, Black, 1520S-HY12-N , MPN: 1520S-HY12-N , Code: 2RR-ATB-RHYBD15N-1520S-HY12-N
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