Product DescriptionThe WMD Guns Carbine Buffer Tube is a mil-spec receiver extension designed for M4-style adjustable carbine stocks. Machined from lightweight 7075 aluminum extrusion, it features a durable NiB-X (nickel boron) coating for a slick, corrosion-resistant silver/nickel finish. Built with six stock positions, it is a dependable upgrade or replacement buffer tube for AR-style carbine builds.Product Highlights Mil-spec carbine receiver extension (buffer tube) designed for M4-style adjustable stocks Six-position tube for flexible length-of-pull adjustment Precision-machined 7075 aluminum for strength with reduced weight NiB-X nickel boron coating for enhanced lubricity and corrosion resistance Silver/nickel finish complements modern AR-15/M16 carbine buildsSpecs Brand: WMD Guns Product Type: Carbine buffer tube / receiver extension Platform Compatibility: AR-15/M16 (carbine), M4-style adjustable stock Specification: Mil-Spec Positions: 6 Material: 7075 aluminum Finish/Coating: NiB-X nickel boron Color: Silver / Nickel UPC: 855899003317 Manufacturer Part Number: 1-NIBXBTDisclaimer: 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.