Blue Line

Weatherby’s first rifle with carbon-fiber barrel technology

Weatherby has combined their venerable, 9-lug magnum action with a carbon-fiber barrel to make the Mark V CarbonMark. Proof Research custom built the barrels chambered in .257 Wby Mag, 6.5-300 Wby Mag and .300 Wby Mag.

May 1, 2018  By Staff

The aerospace-grade carbon fiber in the barrel has a specific strength up to 30 times stronger than stainless steel, Weatherby says, and a specific stiffness up to 7 times stiffer. Carbon-fiber technology also improves heat dissipation for cooler, more consistent performance; reduced point-of-impact shift during high-volume fire; and diminished harmonic barrel vibration, according to the company. The 26-inch, No. 4 contour carbon-fiber barrel has a cut-rifled, hand-lapped 416R grade stainless steel core with a flush thread cap and 5/8-24 muzzle threads.

It’s finished in tactical grey Cerakote.

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