Installing a PROOF RESEARCH pre-fit carbon fiber barrel on your Defiance Ruckus has never been easier. Chambered and threaded for quick and simple installation, these barrels require only a few specialized tools. Once you torque the barrel in place and check headspace with the correct Gauges, you're all set to take your rifle to the range. With exceptional accuracy and performance, the Defiance Ruckus carbon fiber pre-fit barrels deliver unmatched quality and precision.

Up to 64% lighter compared to traditional steel barrels with a similar contour
Enhanced thermal resistance - optimized heat dissipation for cooler and more durable barrels
The product exhibits exceptional durability, being encased in high-strength, aerospace-grade carbon fiber that is infused with a proprietary matrix resin
Barrel twist rate - 1:9

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