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AI Pre fit 308WIN Carbon Fibre Barrel – 18.5″ 10 Twist M27

$1,800.00 Inc. GST

Availability: In stock

  • 308WIN
  • 10 Twist
  • 18.5″ Length
  • 5 Groove
  • 5/8×24 Muzzle Breech
  • 1.338″ Breech for AXMC and AXSR

At PROOF Research we’re proving carbon fibre-wrapped rifle barrels aren’t just a lightweight alternative to traditional steel rifle barrels, but that they provide superior performance, including extreme accuracy, unprecedented durability and increased barrel life. By combining our unique manufacturing process with advanced technology composite materials and thermo-mechanical design principles, we’ve accomplished what others have failed to do in the past—match-grade carbon fibre rifle barrels that weigh a fraction of traditional steel rifle barrels while compromising nothing. They’re not just lighter—they’re better.

 

Our patented manufacturing process begins with full-profile, match-grade 416R stainless steel barrel blanks that are made in our firearms division. These blanks are then turned down to a significantly reduced profile greatly reducing weight. This reduced contour barrel is then wrapped with high-strength, aerospace-grade carbon fibre impregnated with a proprietary matrix resin developed by our advanced composites division, PROOF Research ACD.

 

The aerospace-grade carbon fibre we use has a specific strength up to 30 times that of stainless steel and a specific stiffness up to 7 times greater than steel. But strength and stiffness are only part of the equation. Heat conductivity and thermal expansion are also of paramount importance when developing a match-grade carbon fibre barrel. Our helical wrapping pattern favours the longitudinal thermal diffusivity of the carbon fibres (along the length of the barrel) allowing them to more efficiently dissipate heat emanating from the barrel rather than insulating it.

 


THE ONLY CARBON FIBER-WRAPPED RIFLE BARREL APPROVED FOR USE BY THE U.S. MILITARY.

 

Because our rifle barrels are engineered for thermal performance, they also move heat very effectively through the wall (thickness) of the barrel, greatly increasing heat transport and resulting in barrels that cool faster and maintain accuracy over longer sessions of fire.

 

The end result is an aerospace-grade, high-fibre content composite barrel that is stronger, lighter, as accurate as the finest precision steel barrel, and maintains its accuracy in the most demanding environments.

 

We didn’t invent carbon fibre-wrapped rifle barrels. We just perfected them.

• Up to 64% lighter than traditional steel barrels of similar contour

• Match-grade accuracy

• Improved heat dissipation for cooler and longer lasting barrels

• No point-of-impact shift during high-volume fire

• Reduced harmonic barrel vibration

• Unprecedented durability

 

 

ACCURACY INTERNATIONAL CARBON FIBER BARREL PROFILE

Weight 2 kg

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