Proof Research Carbon Fiber Rifle Barrel Blanks


By designing a bolt action barrel blank, we have opened up countless options for chambering in your favorite caliber and having the ability to fit a large variety of actions. Our bolt-action barrels are available in a variety of calibers, lengths, contours and twist rates. Your bolt-action barrel will arrive ready for thread and chamber by your gunsmith.

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PROOF Research Carbon Fiber Barrels: Lighter, Stronger, Better
 Why a carbon fiber barrel? Because, when it comes to a custom-built rifle, lighter is better, and carbon fibers deliver unparalleled strength at a fraction of the weight of steel. Carbon fiber also transfers heat extremely effectively through the walls of the barrel, resulting in a barrel that cools faster, maintains accuracy over longer firing sessions, and, yes, even lasts longer than steel. And PROOF Research is the preeminent manufacturer of carbon fiber barrels.
PROOF’s patented manufacturing process takes a full-profile, match-grade 416R stainless steel barrel blank and turns it down to a greatly reduced profile that weighs significantly less. The barrel is then wrapped in high-strength, aerospace-grad carbon fiber that’s impregnated with their proprietary matrix resin. The end result is a composite barrel that’s stronger, lighter, and delivers reduced harmonic barrel vibrations. A barrel that’s every bit as accurate as the finest precision steel barrels and weighs up to 64 percent less.

· Up to 64% lighter than traditional steel barrels of similar contour
· 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
· Unprecedented durability

Additional information

Weight4 lbs
Dimensions3 × 3 × 30 in

.22, .224, .224, .243, .264, .264, .284, .308, .338

Twist Rate

7, 7.5, 8, 8.4, 9, 9.4, 9.5, 10, 12


M24, Sendero, Sendero Light


16.5", 18", 20", 22", 24", 26", 27", 28", 29", 30", 31", 33", 36"


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