The Proof Research Proof 154625 300WSM 22 9 Twist carbon fiber rifle barrel is engineered for shooters who demand precision and reduced weight in a premium replacement barrel. Designed for the powerful 300 WSM cartridge, this 22-inch barrel uses a fast 1:9 twist rate to stabilize a wide range of modern hunting and long-range projectiles while maintaining excellent rigidity.

This extra barrel is ideal for upgrading a compatible rifle into a lighter, more manageable platform for extended range sessions or demanding hunts where every ounce matters. The carbon fiber wrap helps manage barrel harmonics and heat while preserving accuracy over longer strings of fire. Whether you are stretching distance on steel or pursuing big game, this barrel reflects Proof Research’s focus on innovation, consistency, and high-end craftsmanship.

• Manufacturer: Proof Research
• Model: 154625
• Caliber: 300 WSM
• Barrel Length: 22"
• Twist Rate: 1:9"
• Category: Rifle Barrels