PROOF Research PR15 223 Wylde 16″ Carbon Fiber Barrel | 5/8-24 Threaded | 8-Twist

Upgrade your AR-15 build with the PROOF Research PR15 barrel in 223 Wylde — one of the most trusted names in precision carbon fiber barrel technology. Chambered in the versatile 223 Wylde, this 16-inch barrel offers the accuracy of a match chamber while maintaining compatibility with both .223 Remington and 5.56 NATO ammunition. The 8-twist (1:8) rifling provides excellent stabilization across a wide range of bullet weights, making it an ideal choice for hunters, competitive shooters, and precision enthusiasts alike.

Featuring a 5/8-24 threaded muzzle, this barrel is ready for your favorite muzzle device, whether that’s a suppressor, compensator, or muzzle brake. PROOF Research barrels are renowned for their carbon fiber-wrapped steel construction, which dramatically reduces weight without sacrificing rigidity or accuracy — delivering match-grade performance in a lightweight, durable package.

Whether you’re building a dedicated precision rifle, a lightweight hunting carbine, or a competition-ready AR-15, the PROOF Research PR15 barrel is a premium foundation for any serious build. At Deep Roots Rifle Co, we stock hard-to-find components like this so you can get the parts you need without the wait.

Order online at deeprootsrifleco.com for fast shipping nationwide, or stop by our gun store in Eustis, Florida, where our knowledgeable staff can help you spec out your next custom build.