Criterion Barrels

Criterion AR-15 Barrels .223 Wylde 18" Hybrid Profile Rifle Length Nitride

All Criterion Barrels barrels
Criterion Barrels Criterion Ar-15 Barrels .223 Wylde 18" Hybrid Profile Rifle Length Nitride - Barrel for AR-15 - view 1
Criterion Barrels Criterion Ar-15 Barrels .223 Wylde 18" Hybrid Profile Rifle Length Nitride - Barrel for AR-15 - view 2
Criterion Barrels Criterion Ar-15 Barrels .223 Wylde 18" Hybrid Profile Rifle Length Nitride - Barrel for AR-15 - view 3
Criterion Barrels Criterion Ar-15 Barrels .223 Wylde 18" Hybrid Profile Rifle Length Nitride - Barrel for AR-15 - view 4
Criterion Barrels Criterion Ar-15 Barrels .223 Wylde 18" Hybrid Profile Rifle Length Nitride - Barrel for AR-15 - view 5
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Criterion Barrels

Overview

The Criterion AR-15 Barrel in .223 Wylde features an 18-inch M4 profile designed for optimal balance and performance. With a rifle-length gas system and a twist rate of 1:8, this barrel allows for excellent accuracy and versatility, accommodating a wide range of ammunition types. Its QPQ/Nitride finish enhances durability and corrosion resistance, making it suitable for various shooting conditions. This barrel is commonly found in builds that prioritize a rifle gas system and .223 Remington caliber, providing reliability and precision for both competitive shooting and recreational use.

Specifications

MPN1518S-HY12-N
Barrel Length18
Gas System LengthRifle
Barrel ProfileM4
Caliber.223 Wylde
Thread Pitch1/2x28
Twist Rate1:8
CoatingNitride
FinishNitride
Gas Block Diameter.750

Available Merchants(2)

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Optics Planet
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$297.99
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Brownells
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$313.49
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Build history on GunPartPicker

It was out of stock everywhere we track every time we checked in October 2026, and today none of the 2 retailers we track has it in stock right now. Listed prices start at $297.99 at Optics Planet for when it comes back.

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Builds Featuring This Part

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Builds in the community that include the Criterion Ar-15 Barrels .223 Wylde 18" Hybrid Profile Rifle Length Nitride

BuildPartsTotal
18" build
18"		14$2087.04

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