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Proof Research Carbon Fire 300 AAC Barrel


Product Description

Virtually impervious to weather, nicks, dings or scratches, and up to 30% lighter and 300% stiffer than equivalent weight steel AR barrels, PROOF Research’s carbon fiber-wrapped barrels open up new possibilities in AR performance.

  • These carbon fiber-wrapped barrels provide a high-end alternative to traditional barrels while still maintaining extreme accuracy, performance and durability.  
  • Match-grade accuracy
  • Improved heat dissipation for cooler and longer lasting barrels
  • No point-of-impact shift during high-volume fire
  • Reduced harmonic barrel vibration

Orders are currently averaging 16 weeks from the manufacturer.


AR-15® Calibers

Barrel/Gas Tube Contour/Journal Muzzle Threads Standard Twist
300 AAC Blackout 12.5″ (Pistol)
16″ (Carbine)
Medium / .750
Medium / .750
⅝ x 24 1:8

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