This Proof Research barrel is bore sized for .308 Winchester with a 28-inch length, a Medium Sporter contour, and a 1-in-9 twist rate, weighing in at 3 pounds, 9 ounces, from Proof Research (brand part no. 113653). The longer barrel length and Medium Sporter profile favor long-range shooters who want extra velocity without the full weight of a heavy varmint contour. It’s built for gunsmiths and experienced builders assembling or rebarreling a precision .308 rifle around Proof Research’s proven barrel work.

Key Specifications

• Bore sized for .308 Winchester.
• Barreled at 28 inches.
• Rifled with a 1-in-9 twist rate.
• Contoured to a Medium Sporter profile.
• Weighs 3 pounds, 9 ounces.

Frequently Asked Questions

What contour is this barrel? Medium Sporter.

How much does the barrel weigh? 3 pounds, 9 ounces.

Buy the Proof Research Barrel

Build a long-range .308 rifle around this Proof Research Medium Sporter barrel. It ships fast from our Lubbock, Texas gun shop, and our rifle barrels selection has more rifle barrels for your build.