Product DescriptionThe Advanced Technology AR-15 commercial buffer tube assembly package is designed to fit most AR-15 and AR variants, providing a durable, dependable foundation for a commercial-diameter buttstock setup. It features a 6-position, 7.8-inch buffer tube made from hard-coat anodized 6061-T6 aluminum with a slanted back and commercial thread and tube diameters of 1.17 inches. This complete assembly includes an AR-15 recoil plug, buffer spring, and a steel castle nut with locking ring. Made in the USA, this model is also compatible with AR-10 .308 platforms.Product Highlights Commercial-diameter AR buffer tube assembly fits most AR-15 and AR variants 6-position, 7.8-inch hard-coat anodized 6061-T6 aluminum buffer tube for strength and corrosion resistance Commercial thread and 1.17-inch tube diameter with slanted back profile Includes AR-15 recoil plug, buffer spring, steel castle nut, and locking ring Made in the USA and compatible with AR-10 .308 modelsSpecs Brand: Advanced Technology Manufacturer Part Number: A5101050 UPC: 758152900036 Platform Compatibility: AR-15 and most AR variants; compatible with AR-10 .308 models Tube Type: Commercial buffer tube assembly Positions: 6-position Tube Length: 7.8 in Material: 6061-T6 aluminum (tube) Finish: Hard-coat anodized (black) Tube Diameter: 1.17 in (commercial) Included Components: AR-15 recoil plug, buffer spring, steel castle nut, locking ring Country of Manufacture: USADisclaimer: 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.