Product DescriptionThe Armaspec SMB (Sound Mitigation Buffer) Kit provides the key components needed to finish an AR-9 pattern buffer assembly while upgrading from traditional OEM/mil-spec buffer springs and weights. Built around the SMB-9 buffer, this Gen 3 kit is designed to help reduce operating noise and improve the overall feel of the action during cycling, making it a great choice for AR-9 builds and upgrades.Product Highlights Complete Armaspec SMB-9 Gen 3 kit for AR-9 pattern firearms SMB-9 buffer weight is 6.8 oz for AR-9 applications Sound Mitigation Buffer (SMB) design intended to reduce buffer system noise Includes essential hardware to complete the buffer tube setup Ideal upgrade over standard mil-spec buffer spring/weight setups Specs Brand: Armaspec Product Type: Sound Mitigation Buffer Kit Compatibility: AR-9 pattern firearms Generation: Gen 3 Buffer Model: SMB-9 Buffer Weight: 6.8 oz Included Components: SMB buffer, buffer tube, endplate, castle nut Country of Origin: USA Manufacturer Part Number: ARM268-9 UPC: 810048492763 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.