Proof Research 6 GT Lone Peak Pre-Fit Steel Barrel

The Proof Research 6 GT Lone Peak was designed for the enthusiast that wants extreme accuracy, performance and durability. Compatible with Fuzion, Fuzion Ti, Razor & Razor Ti actions from Lone Peak Arms. The barrel arrives chambered/threaded and ready to be installed in a simple operation that requires few specialized tools. Simply torque the barrel on using the proper action wrench and torque setting, double check headspace with proper gauges, and head to the range.

Disclaimer: Some older actions (made before Fall 2019) do not have timed threads and headspace may vary slightly. It is recommended to double check headspace after the barrel is installed. Due to variance in actions we do not guarantee the timing and alignment of the barrel engraving to your stock line.

Proof Research 6 GT Lone Peak Pre-Fit Steel Barrel Features

Long Lasting

Excellent erosion wear characteristics and corrosion resistance.

Extreme Pressure Resistance

An optimum combination of high tensile strength along with requisite toughness to withstand extreme chamber pressures encountered during firing

Product Registration


Part Number Length Twist Rate Muzzle Thread Contour Weight
133538 26” 7.5 5/8-24 Competition 7lbs-5oz



More Rifle Parts

Additional information

Weight N/A
Barrel Length

26" 133538


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