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
August 2026 on GunPartPicker
Proof Research AR-15 Carbon Fiber Barrels 223 Wylde - 223 Wylde 1-7 Twist 11.5'''' Carbon Fiber Barrel ranked #97 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 #140 of the 814 barrels builders have added.
Today the one retailer we track is out of stock. Listed prices start at $899 at Brownells 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 5 builds that include this one
Franklin Armory 2012 BFS Marked Stripped Lower Receiver
Aero Precision AR-15 Stripped Upper Receiver, No Forward Assist Black
Radian Raptor Charging Handle & Talon Safety Selector Combo - OD Green
SureFire Optimized AR-15 Bolt Carrier Group - 5.56 NATO
Phase 5 Version 2 Extended Bolt Release, 2.15" - EBRV2
Tango Down Short Quick Disconnect Vertical Grip - 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 2 →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 | $4094.54 |
 | 36 | $21843.42 |
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