Description

Proof Research 6.5CM Stiller Pre-Fit Carbon Fiber Barrel

The Proof Research 6.5CM Stiller Pre-Fit Carbon Fiber Barrel were designed for Stiller Predator/TAC actions. The Stiller barrels are available in several barrel lengths, twist rates, and contours. They are up to 64% lighter than traditional steel barrels, and are made to endure extreme temperatures. The barrels are simple to install and require few specialized tools. They come chambered and threaded for an easy install – torque on, ensure headspace with proper gauges and head to the range.

Why Carbon Fiber?

Carbon fiber has long been hailed across many industries such as aerospace, cycling, alternative energy. It is recognized as a wonder material that makes everything lighter and stronger. When employed in a rifle barrel the benefits extend beyond reducing weight and increasing strength. The Proof Research patented manufacturing process begins with full profile, match grade 416R stainless steel barrel blanks that are made in our firearms division. These blanks are then turned down to a significantly reduced profile greatly reducing weight. This reduced contour barrel is then wrapped with high strength, aerospace grade carbon fiber impregnated with a proprietary matrix resin. This Resin is developed by our advanced composites division, PROOF Research ACD.

The carbon fibers that Proof Research use have a unique ability to diffuse heat along the length of the barrel, much like fiber optics transmit light. Carbon fiber also moves heat very effectively through the wall of the barrel increasing heat transport resulting in barrels that cool faster, maintain accuracy over longer sessions of fire, and live longer. The end result is an a high fiber content composite barrel that is stronger, lighter, as accurate as the finest precision steel barrel, and durable to perform in the most demanding environments. They’re not just lighter, they’re better.

Proof Research 6.5CM Stiller Pre-Fit Carbon Fiber Barrel Features

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.

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Specifications

Part Number Barrel Length Twist Rate Muzzle Thread Contour Weight
128763 22” 8 5/8-24 Sendero 2lbs-13oz
128947 24” 8 5/8-24 Sendero 2lbs-15oz

 


 

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Additional information

Weight N/A
Barrel Length

22" 128763, 24" 128947

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