AR-15 Carbon Fiber Barrels 223 Wylde - 223 Wylde 1-7 Twist 11.5" Carbon Fiber Barrel
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Proof Research
Overview
The Proof Research 11.5" Carbon Fiber Barrel in .223 Wylde combines lightweight construction with a 1:7 twist rate, making it ideal for stabilizing a wide range of bullet weights. This barrel length is well-suited for building compact firearms while maintaining accuracy and performance across various shooting conditions. Commonly found in pistol builds, this barrel is particularly favored for its ability to handle both .223 Remington and 5.56 NATO ammunition effectively.
Specifications
AR-15 Carbon Fiber Barrels 223 Wylde - 223 Wylde 1-7 Twist 11.5" Carbon Fiber Barrel
October 2026 on GunPartPicker
Proof Research AR-15 Carbon Fiber Barrels 223 Wylde - 223 Wylde 1-7 Twist 11.5" Carbon Fiber Barrel ranked #131 of the 329 barrels builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #161 of the 1,047 barrels builders have added.
It was hard to find in October 2026, in stock on only 4 of the 8 days we checked, and today none of the 3 retailers we track has it in stock right now. Prices barely moved in October 2026, holding around $999, with no real sale all month. Listed prices start at $899 at Brownells for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
Franklin Armory 2012 BFS Marked Stripped Lower Receiver
SureFire Optimized AR-15 Bolt Carrier Group - 5.56 NATO
Radian Raptor Charging Handle & Talon Safety Selector Combo - OD Green
Aero Precision AR-15 Stripped Upper Receiver, No Forward Assist Black
Phase 5 Tactical AR-15 Pistol Pigtail Gas Tube
Radian Weapons AR-15 Enhanced Takedown Pin Set Black
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
Builds Featuring This Part
See all builds →Builds in the community that include the Ar-15 Carbon Fiber Barrels 223 Wylde - 223 Wylde 1-7 Twist 11.5" Carbon Fiber Barrel
| Build | Parts | Total |
|---|---|---|
 | 10 | $4094.91 |
 | 36 | $18617.07 |
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