PROOF Research pre-fit carbon & steel barrels for Bighorn Arms TL3 and SR3 actions make it easy to upgrade your rifle or change calibers. Our pre-fit Bighorn TL3/SR3 shouldered barrels are easy to install. NO GUNSMITH REQUIRED—Just thread it on, torque it down, and head for the range.
Up to 64% lighter than traditional steel barrels of similar contour.
Improved heat dissipation for cooler and longer lasting barrels.
Wrapped with high-strength, aerospace-grade carbon fiber impregnated with a proprietary matrix resin.
Excellent erosion wear characteristics and corrosion resistance.
An optimum combination of high tensile strength along with requisite toughness to withstand extreme chamber pressures encountered during firing.