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    20"
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PROOF Research

Founded in 2012, PROOF Research is a science-driven designer and manufacturer of innovative firearms, aerospace, and defense products. Headquartered in Northwest Montana, PROOF Research is known for redefining the status quo by creating state-of-the-art carbon fiber rifle barrels and complete rifle systems that outperform everything else on the market. PROOF uses a patented manufacturing process that utilizes aircraft-grade carbon fiber in conjunction with high-temp aerospace resins to deliver lightweight performance barrels, receivers, firearm platforms, parts, and accessories. Their barrels and rifles are lighter, stronger, and more accurate than the finest match-grade steel and have quickly gained a reputation among backcountry hunters, precision rifle competitors, and military operators for ruggedness, durability, and extreme accuracy.

Shop our full selection of PROOF Research barrels and gun parts today and experience the difference for yourself!
  2. PROOF Research Sig Sauer Cross .308 Win 1:10 Carbon Fiber-Wrapped Pre-Fit Barrel
    PROOF Research Sig Sauer Cross .308 Win 1:10 Carbon Fiber-Wrapped Pre-Fit Barrel
    $1,299.99 $1,149.99 Save $150.00
  4. PROOF Research Sig Sauer Cross 6.5 Creedmoor 1:8 Carbon Fiber-Wrapped Pre-Fit Barrel
    PROOF Research Sig Sauer Cross 6.5 Creedmoor 1:8 Carbon Fiber-Wrapped Pre-Fit Barrel
    $1,199.99 $1,029.99 Save $170.00
  5. PROOF Research AR-15 .223 Wylde Stainless Steel Barrel
    PROOF Research AR-15 .223 Wylde Stainless Steel Barrel
    $629.99 $749.99 $569.99 $649.99 Save $100.00
  7. PROOF Research Savage Small Shank 20" .223 Remington 1:8 Pre-Fit Barrel
    PROOF Research Savage Small Shank 20" .223 Remington 1:8 Pre-Fit Barrel
    $649.99 $1,149.99 $579.99 $999.99 Save $150.00
  17. PROOF Research Zermatt Arms TL3 / SR3 SA 6.5 Creedmoor 1:8 Carbon Fiber-Wrapped Pre-Fit Barrel
    PROOF Research Zermatt Arms TL3 / SR3 SA 6.5 Creedmoor 1:8 Carbon Fiber-Wrapped Pre-Fit Barrel
    $1,049.99 $939.99 Save $110.00
  18. PROOF Research Zermatt Arms Origin 6.5 Creedmoor 1:8 Carbon Fiber-Wrapped Pre-Fit Barrel
    PROOF Research Zermatt Arms Origin 6.5 Creedmoor 1:8 Carbon Fiber-Wrapped Pre-Fit Barrel
    $1,049.99 $939.99 Save $110.00
  21. PROOF Research AR-15 .223 Wylde 1:7 Carbon Fiber-Wrapped Barrel
    PROOF Research AR-15 .223 Wylde 1:7 Carbon Fiber-Wrapped Barrel
    $999.99 $1,149.99 $899.99 $999.99 Save $150.00
  23. PROOF Research AR-15 6mm ARC 1:7.5 Stainless Steel Barrel
    PROOF Research AR-15 6mm ARC 1:7.5 Stainless Steel Barrel
    $749.99 $649.99 Save $100.00
  24. PROOF Research AR-15 6mm ARC 1:7.5 Carbon Fiber-Wrapped Barrel
    PROOF Research AR-15 6mm ARC 1:7.5 Carbon Fiber-Wrapped Barrel
    $1,149.99 $999.99 Save $150.00
  28. PROOF Research Accuracy International AX308 / AT / AW / AE Short Action .308 Win 1:10 Carbon Fiber-Wrapped Pre-Fit Barrel
    PROOF Research Accuracy International AX308 / AT / AW / AE Short Action .308 Win 1:10 Carbon Fiber-Wrapped Pre-Fit Barrel
    Out of stock
    $1,399.99 $1,299.99 Save $100.00
  29. PROOF Research Accuracy International AXMC .308 Win 1:10 Carbon Fiber-Wrapped Pre-Fit Barrel
    PROOF Research Accuracy International AXMC .308 Win 1:10 Carbon Fiber-Wrapped Pre-Fit Barrel
    Out of stock
    $1,399.99 $1,299.99 Save $100.00
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