AR-15 6mm ARC Carbon Fiber Barrel - 6mm ARC 1-7.5 Twist 14.5'''' Carbon Fiber Barrel
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Proof Research
Overview
The Proof Research AR-15 6mm ARC Carbon Fiber Barrel is designed for precision and performance in a lightweight package. With a length of 14.5 inches and a 1:7 twist rate, this barrel optimizes stability and accuracy for the 6mm ARC cartridge, making it ideal for both target shooting and hunting applications. This type of barrel is commonly found in builds focused on achieving a balance between maneuverability and effective range, especially in competitive or tactical scenarios.
Specifications
AR-15 6mm ARC Carbon Fiber Barrel - 6mm ARC 1-7.5 Twist 14.5'''' Carbon Fiber Barrel
Available Merchants(5)
Prices checked
Price Alert
September 2026 on GunPartPicker
Proof Research AR-15 6mm ARC Carbon Fiber Barrel - 6mm ARC 1-7.5 Twist 14.5'''' Carbon Fiber Barrel ranked #77 of the 250 barrels builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since March 2026. All time, it ranks #385 of the 830 barrels builders have added.
It was hard to find in September 2026, in stock on only 7 of the 17 days we checked, and today only Optics Planet has it in stock. The best price drifted down from $949 to $899 over September 2026 without a real sale. Buying today, the lowest price is $999 at Optics Planet, above September's low of $899, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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