The Proof Research 106471 Bolt Action Barrel Blank, .284, 22" Sendero Contour, Carbon Fiber Wrapped is built for shooters who want a lightweight yet rigid foundation for a custom bolt-action rifle. Using a stainless steel core wrapped in aerospace-grade carbon fiber, this barrel blank offers excellent stiffness and heat management while significantly reducing weight compared to traditional steel barrels.

This 22 inch .284 caliber blank features a Sendero contour, a 1-in-8 twist rate, and a 2.5 inch breech with a 1.20 inch shank, giving gunsmiths a versatile starting point for precision hunting or long-range builds. The 5-groove rifling and carbon fiber wrap help maintain a consistent point of impact during extended strings of fire, making it well suited for range work, competition, and demanding field use. Proof Research is recognized for combining advanced materials with careful machining to deliver barrels that balance accuracy, durability, and modern design.

• Manufacturer: Proof Research
• Model: Bolt Action Barrel Blank
• Caliber: .284 (7mm)
• Barrel Length: 22"
• Contour: Sendero
• Rate Of Twist: 1-in-8
• Rifling: 5 Grooves