BSF Barrels Zermatt Origin Carbon Fiber Prefit Barrel 7mm Remington Magnum 20" 1:8" Twist

Overview

The BSF Barrels Zermatt Origin prefit barrel is a 20-inch, 7mm Remington Magnum barrel featuring a carbon fiber sleeve. The barrel uses 416R stainless steel match-grade rifling jacketed in a roll-wrapped carbon fiber sleeve, which is tensioned to create air gaps for faster cooling. BSF machines openings into the carbon fiber to vent heat and reduce weight while maintaining stiffness. Key features include 6-groove button rifling, an 11-degree target crown, and double stress relief. The carbon fiber is engineered to match the thermal expansion rate of the stainless steel, preventing delamination. The design is intended to dampen vibrations and improve consistency during fire.

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