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Carbon fiber is a highly praised material in various industries such as aerospace, cycling, and alternative energy for its ability to make everything lighter and stronger. In the case of rifle barrels, the benefits go beyond just reduced weight and added strength. Proof Research's patented manufacturing process begins with using full-profile, match-grade 416R stainless steel barrel blanks that are made in their firearms division. The next step is to turn down these blanks to a significantly reduced profile, which reduces weight. After that, a high-strength, aerospace-grade carbon fiber, infused with a unique matrix resin developed by Proof Research's advanced composites division ACD, is wrapped around the barrel. These carbon fibers can diffuse heat along the length of the barrel, similar to how fiber optics transmits light. This also helps move heat effectively through the thickness of the barrel, increasing heat transport. As a result, the barrels can cool faster, maintain accuracy over extended periods of firing, and have increased durability even in the most demanding environments. The end product of this process is an aerospace-grade, high-fiber content composite barrel that is not only lighter, but also more precise than even the finest precision steel barrel.