The Proof Research Carbon Fiber Sendero Barrel (brand part number 107706) is a chambered and finished 16.5-inch .308 Winchester barrel, the shortest option in Proof’s Sendero .308 lineup, wrapped in carbon fiber over a steel core by Proof Research. At 16.5 inches it clears the federal 16-inch rifle minimum while still trimming barrel length and weight for a handier, more maneuverable precision rifle. It carries a 1:10 twist rate, a 2.5-inch breech length, and a 1.20-inch shank diameter, weighing approximately 2 pounds, 6 ounces.

Key Specifications

• Chambered in .308 Winchester, one of the most versatile precision cartridges available.
• Barrel length is 16.5 inches, the shortest option in this Sendero .308 lineup.
• Twist rate is 1:10, matched to standard .308 bullet weights.
• Breech length is 2.5 inches over a 1.20-inch shank diameter.
• Contour is Sendero, wrapped in carbon fiber over a steel core.
• Weighs approximately 2 pounds, 6 ounces.
• Sold as a finished, chambered barrel rather than an unchambered blank.

Frequently Asked Questions

Is 16.5 inches legal for a rifle barrel? Yes, it clears the federal 16-inch minimum rifle barrel length with room to spare.

Does this barrel still need a gunsmith? This barrel is sold finished and chambered rather than as a raw blank; confirm fitment to your specific action with a qualified gunsmith before installation.

Buy the Proof Research .308 Winchester 16.5-inch Sendero Barrel

Build a shorter, more maneuverable .308 without losing accuracy. Order this rifle part from our Lubbock, Texas gun shop for fast, insured shipping to your door.