Product DescriptionUpgrade or complete your AR-15 lower with the LBE Unlimited Mil-Spec Diameter Buffer Tube. This six-position receiver extension is designed to fit collapsible AR-15 stocks that require a mil-spec tube, making it a solid choice for new builds, repairs, or keeping a reliable spare in your parts bin. Made in the USA, it delivers dependable fit and function for your AR-15 platform.Product HighlightsMil-spec diameter AR-15 buffer tube for stocks designed for mil-spec receiver extensionsSix-position adjustment for versatile length-of-pull setup with collapsible AR-15 stocksIdeal replacement part for AR-15 builds, upgrades, and maintenanceBlack finish to match common AR-15 lower receiver configurationsMade in the USA by LBE UnlimitedSpecsBrand: LBE UnlimitedProduct Type: AR-15 Buffer Tube / Receiver ExtensionCompatibility: AR-15; collapsible stocks requiring mil-spec tubesPositions: 6Diameter: 1.148 in (mil-spec)Color: BlackCountry of Manufacture: USAManufacturer Part Number: MBUF002UPC: 765857617473Disclaimer: 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.