Criterion Barrels 20" Hybrid Contour, Rifle Gas System, 223 Wylde
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Criterion Barrels
Overview
The Criterion Barrels Inc 20" Hybrid Contour barrel features a 20-inch length with an M4 profile, designed to accommodate the .223 Wylde caliber, which allows for safe chambering of both .223 Remington and 5.56 NATO cartridges. With a rifle-length gas system and a .750 gas block diameter, this barrel promotes reliable cycling while maintaining accuracy, aided by a 1:8 twist rate that stabilizes a variety of bullet weights. This barrel is commonly found in builds that utilize a rifle-length gas system and favor the versatility of the .223 Wylde caliber.
Specifications
Criterion Barrels 20" Hybrid Contour, Rifle Gas System, 223 Wylde
Build history on GunPartPicker
Builders have been adding the Criterion Barrels 20" Hybrid Contour, Rifle Gas System, 223 Wylde to their builds on GunPartPicker since February 2026. All time, it ranks #241 of the 815 barrels builders have added.
It was in stock most days in August 2026, but today none of the 2 retailers we track has it in stock right now. It dipped to $297.99 at Optics Planet for a stretch in August 2026, under its usual $313.49, so sales do come around. Listed prices start at $297.99 at Optics Planet for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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Frequently Built With
The part most often added in each category by the 4 builds that include this one
PSA AR-15 Stripped Upper Receiver
Wilson Combat AR-15 Rifle Length Gas Tube Stainless Steel
PSA AR-15 Bolt Carrier Group 5.56 Full-Auto Nitride MPI - 516446953
FN America Front Sight Base
Forward Controls Design ACF 5.56 Ambi Charging Handle, Black - ACF, 556, Black
Daniel Defense M4A1 RIS II 12.25" 6061 T6 Aluminum Forend Rail Interface System, Black - 408001006
Builds Featuring This Part
See all 1 →Builds in the community that include the Criterion Barrels Inc 20" Hybrid Contour, Rifle Gas System, 223 Wylde
| Build | Parts | Total |
|---|---|---|
 | 11 | $1608.94 |
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