Product DescriptionThe PROOF RESEARCH AR-Style barrel is a carbon fiber wrapped .308 Winchester barrel engineered to deliver match-grade performance at a fraction of the weight of comparable steel barrels. Built with a 16-inch length and an intermediate-length gas system, it's designed for fast-handling AR-style rifle builds while supporting excellent heat management. The high-strength, aerospace-grade carbon fiber wrap is impregnated with a proprietary matrix resin to help improve heat dissipation for cooler operation and extended barrel life.Product HighlightsCarbon fiber wrapped .308 Win AR-style barrel for lightweight, high-performance rifle buildsUp to 64% lighter than traditional steel barrels of similar contour for improved handlingProprietary carbon fiber/resin matrix helps improve heat dissipation for cooler operationIntermediate-length gas system for reliable cycling in AR-10/.308 platformsPrecision rifling with 1:10 twist and 5 grooves, plus 5/8-24 muzzle threads for common .30-cal muzzle devicesSpecsBrand: PROOF RESEARCHManufacturer Part Number: 101261UPC: 843068101261Cartridge: .308 WinchesterBarrel Length: 16 inGas System Length: IntermediateTwist Rate: 1:10Rifling Grooves: 5Muzzle Threads: 5/8-24 TPIConstruction: Carbon fiber wrappedDisclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.