PROOF Research 7mm Carbon Fiber Sendero Barrel Blank

Proof Research 7mm (.284") carbon fiber barrel blanks are available with in a few different barrel lengths of 18, 20, 22,24 and 26 inches.

The Proof Research carbon fiber barrel blanks we offer at Altus Shooting Solutions all include standard 1:8 rifling twists with 5-groove bores.

shooters. Proof Research manufactures these barrels in multiple calibers, lengths, contours, and twist rates, and they ship ready for your gunsmith to thread and chamber for your own needs. Whether you need a standard, SAAMI spec chamber or a custom wildcat chamber.

Each Proof Research carbon fiber barrel is wrapped in high-strength, aerospace-grade carbon fiber bonded with Proof’s proprietary resin matrix, which takes significant weight off the barrel while maintaining rigidity. This makes your rifle easier to carry and handle. The carbon fiber wrap construction also helps dissipate heat, keeping the barrel cooler during extended strings and contributing to longer barrel life.

About PROOF Research

Montana-based Proof Research has been building precision firearms parts since 2012. Proof Research is likely best known for its very high quality carbon fiber barrels, but Proof also makes precision steel barrels, offers complete firearms and develops advanced composite materials. In addition to firearms, Proof’s…well, it’s research also crossover over into aerospace and the defense industry at large.

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