Product DescriptionThe Ruger AR-15 Carbine Buffer Tube Kit is a factory-branded rear receiver assembly designed to help complete or service a compatible AR-15 lower receiver. Built for dependable fit and function, this kit provides the essential components needed for a carbine-style buffer system. It includes a Ruger buffer tube, carbine buffer spring, buffer, castle nut, and receiver end plate, giving builders and shooters a practical solution for new builds, repairs, or replacement projects. Finished in black and manufactured to Ruger standards, this buffer tube kit is intended to support reliable cycling and secure stock installation on compatible AR-15-pattern firearms.Product Highlights Factory Ruger AR-15 carbine buffer tube kit for completing or replacing rear receiver components Includes buffer tube, carbine buffer spring, buffer, castle nut, and receiver end plate Designed for use with compatible AR-15-pattern firearms and carbine-style buffer systems Black finish offers a clean, professional look for rifle builds and upgrades Ideal for AR-15 lower receiver builds, maintenance, repairs, and replacement applications Specs Brand: Ruger Manufacturer Part Number: 91006 UPC: 736676910069 Product Type: Buffer Tube Complete Assembly Model: Buffer Tube Kit Platform Compatibility: AR-15-pattern firearms Buffer System Style: Carbine Color: Black Included Components: Buffer tube, carbine buffer spring, buffer, castle nut, receiver end plate Country of Manufacture: America / USA Disclaimer: 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.