Proof Research 223 Wylde 1-7 Twist 18" Carbon Fiber Barrel
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Proof Research
Overview
The Proof Research 18" Carbon Fiber Barrel is designed for .223 Wylde caliber builds, offering versatility for both .223 Remington and 5.56 NATO ammunition. With a lightweight profile and a 1:8 twist rate, this barrel allows for improved accuracy and stability with a variety of bullet weights, making it suitable for precision shooting. This barrel is typically found in builds that utilize a rifle-length gas system, enhancing reliability and performance.
Specifications
Proof Research 223 Wylde 1-7 Twist 18" Carbon Fiber Barrel
August 2026 on GunPartPicker
Proof Research 223 Wylde 1-7 Twist 18" Carbon Fiber Barrel ranked #34 of the 298 barrels builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #39 of the 811 barrels builders have added. Builds with this barrel are nearly all chambered in .223 Wylde, nearly all on rifle-length gas, and nearly all AR-15.
It was hard to find in August 2026, in stock on only 8 of the 21 days we checked, and today only Optics Planet has it in stock. Prices barely moved in August 2026, holding around $899, so there haven't been real sales lately. Buying today, the lowest price is $899 at Optics Planet, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 10+ retailers
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Frequently Built With
The part most often added in each category by the 21 builds that include this one
Geissele Automatics AR-15 16 Super Duty Stripped Upper Receiver Ddc
LMT MARS-LS PDW Complete Ambidextrous AR-15 Lower Receiver
Zev Technologies Wedge Lock AR-15 Handguard - 16.625"
Geissele Automatics AR-15/M16 Super Charging Handle, Ddc
Cryptic Coatings 5.56 NATO AR-15 Bolt Carrier Group - Mystic Bronze
Superlative Arms Bleed Off Adjustable Gas Block Clamp on .875" -Titanium - DLC Dark Finish
Builds Featuring This Part
See all 4 →Builds in the community that include the Proof Research, Inc 223 Wylde 1-7 Twist 18" Carbon Fiber Barrel
| Build | Parts | Total |
|---|---|---|
 | 9 | $1753.65 |
 | 22 | $2349.09 |
 | 37 | $18668.09 |
 | 21 | $2186.44 |
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