Proof Research: 300 PRC, Carbon Fiber, 1 - 9 Twist, 26", Defiance Ruckus

Proof Research : 123300
(No reviews yet) Write a Review

PROOF Research pre-fit carbon fiber & steel barrels for the Defiance Ruckus are to be installed in a simple operation requiring few specialized tools. Our pre-fit barrels are chambered and threaded for a simple install that require only a few specialized tools. Simply torque your barrel on, double check headspace with proper gauges and head to the range! Unprecedented accuracy and performance - it does not get much better than our Defiance Ruckus carbon fiber & steel pre-fit barrels.


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


  • Caliber: 300 PRC
  • Action Model: Defiance Ruckus
  • Barrel Length: 26”
  • Twist Rate: 1:9
  • Thread: 5/8-24
  • Contour: Sendero
  • Weight: 3 lbs.


  • All shouldered pre-fit barrels are guaranteed for headspacing.
  • Due to variance in actions we do 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.
  • PROOF drop-in barrels are designed to fit Ruckus actions with the 'Recessed' bolt nose option only and will not be compatible with actions that have cone, flat, or control round feed bolts.
Don’t see what you need? Call us at 303.255.9999.
Carbon Fiber
26 in
Defiance Ruckus