Proof Research 107744 .308 Win 18" 1:10 Twist Carbon Fiber Bolt-Action Barrel - Sendero Contour

The Proof Research 107744 is a bolt-action carbon fiber barrel blank chambered in .308 Winchester. Cut to 18 inches with a 1:10 twist rate and 5-groove rifling, this Sendero-contour barrel features a 2.5-inch breech length and 1.20-inch shank diameter. The completed barrel weighs 2 lbs 8 oz.

Proof Research's carbon fiber-wrapped Sendero contour is offered as a barrel blank for custom rifle builders. The 107744 is intended for installation on a compatible bolt-action action.