The Proof Research PR10 CF barrel is a 20-inch replacement barrel chambered for 6.5 Creedmoor, engineered for accuracy-oriented rifles. The barrel uses a stainless steel bore and heavy contour with a .875-inch journal, combined with a carbon-fiber wrap for reduced weight and improved thermal stability. It ships with a 1:8 twist rate and standard 5/8-24 muzzle threads suitable for common muzzle devices and suppressors. Gas length is indicated as rifle; metadata also references a “Rifle +2” gas length notation.
Key Specifications
- Caliber is 6.5 Creedmoor.
- The barrel length is 20 inches.
- The twist rate is 1:8 (one turn in eight inches).
- Muzzle threads are 5/8-24.
- Contour and journal use a heavy profile with a .875-inch journal.
- Finish is stainless steel.
- The barrel is carbon fiber wrapped to reduce weight and dissipate heat.
- Weight is listed as 2 lbs. 14 oz..
- NFA thread pattern is 5/8×24.
- Gas length is listed as rifle (metadata also references “Rifle +2”).
Built for shooters who prioritize precision and efficient weight management, the PR10 CF merges a stainless steel bore with a carbon-fiber outer wrap to deliver a balance of rigidity and reduced mass. Its 1:8 twist and heavy contour accommodate match and hunting projectiles commonly used in 6.5 Creedmoor platforms, while 5/8-24 threads support a range of muzzle accessories. The design suits applications from precision competition to field use where consistency and practical weight savings matter.
