Proof Research PR15 Carbon Fiber Barrel 6mm ARC 16 in Rifle Length 5/8x24 Thread 1-7.5 Twist 4 Groove Carbon Fiber
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Overview
The Proof Research PR15 Carbon Fiber Barrel in 6mm ARC offers a 16-inch length with a rifle gas system, designed for optimal performance and accuracy. The 5/8x24 thread pitch allows for easy attachment of muzzle devices, making it versatile for various applications. This barrel is often found in precision builds where weight reduction and enhanced thermal properties of carbon fiber can significantly improve shooting dynamics.
Specifications
Proof Research PR15 Carbon Fiber Barrel 6mm ARC 16 in Rifle Length 5/8x24 Thread 1-7.5 Twist 4 Groove Carbon Fiber
Available Merchants(6)
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Price Alert
Build history on GunPartPicker
Builders on GunPartPicker first added the Proof Research PR15 Carbon Fiber Barrel 6mm ARC 16 in Rifle Length 5/8x24 Thread 1-7.5 Twist 4 Groove Carbon Fiber to a build in March 2026.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, but today 2 of the 6 retailers we track have it in stock. Prices barely moved in September 2026, holding around $949, so there haven't been real sales lately. Buying today, the lowest price is $949 at Brownells, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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