The Proof Research .308 Carbon Fiber Barrel combines lightweight carbon fiber construction with precision engineering for bolt-action rifle applications. This 16.5-inch barrel features a 1:10 twist rate optimized for .30 caliber cartridges.Proof Research .308 Carbon Fiber Barrel16.5-inch barrel length for compact performance1:10 twist rate for excellent bullet stabilizationSendero contour profileCarbon fiber construction reduces weight while maintaining accuracyDesigned for bolt-action 30 caliber riflesIdeal for precision shooting hunting and tactical applications where weight reduction and accuracy are critical. The carbon fiber construction provides superior heat dissipation and reduced barrel weight compared to traditional steel barrels.