Proof Research: 6.5 Creedmoor, Carbon Fiber, Sendero, 1 - 8 Twist, 24", Impact Precision 737R

Proof Research : 123423
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PROOF Research pre-fit carbon fiber & steel barrels for the Impact Precision 737R and 787R are to be installed in a simple operation requiring few specialized tools. These barrels come chambered and threaded for an easy install - torque on, ensure headspace with proper gauges and head to the range! Shot for shot accuracy and performance - there is simply no better choice for the Impact Precision actions than Proof Research's carbon fiber & steel pre-fit barrels.


  • Lightweight: Up to 64% lighter than traditional steel barrels of similar contour.
  • Extreme Temperature Resistance: Improved heat dissipation for cooler and longer lasting barrels.
  • Unprecedented Durability: Wrapped with high-strength, aerospace-grade carbon fiber impregnated with a proprietary matrix resin. 


  • Caliber: 6.5 Creedmoor
  • Action Model: Impact Precision 737R
  • Barrel Length: 24”
  • Twist Rate: 1:8
  • Thread: 5/8-24
  • Contour: Sendero
  • Weight: 3.0 lb 


  • All shouldered pre-fit barrels are guaranteed for headspacing.
  • Due to variance in actions Proof Research does not guarantee the timing and alignment of the barrel engraving to your stock line.
  • Barrels are specific to the action type/length and are not interchangeable.
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Carbon Fiber
24 in
Impact Precision 737R