Product DescriptionThe Armaspec SMB (Sound Mitigation Buffer) Gen 3 H2 Buffer Kit includes the key components needed to complete an AR-15 pattern rifle build or upgrade. Designed as an enhanced alternative to standard mil-spec buffer springs and weights, the SMB system helps deliver smoother, quieter operation while providing the stability of an H2-weight buffer setup.Product Highlights Complete Gen 3 SMB kit to finish or upgrade an AR-15 pattern buffer tube assembly Includes SMB-H2 Sound Mitigation Buffer (4.7 oz) for optimized cycling and control Superior upgrade over OEM/mil-spec buffer spring and weight setups Kit includes buffer tube, endplate, and castle nut for a full installation Sound mitigation design helps reduce spring noise for a smoother shooting experienceSpecs Brand: Armaspec Product Type: Sound Mitigation Buffer Kit Generation: Gen 3 Buffer Type: H2 Buffer Weight: 4.7 oz (SMB-H2) Compatibility: Fits AR-15 pattern firearms Included Components: SMB buffer, buffer tube, endplate, castle nut Manufacturer Part Number: ARM268-H2 UPC: 810048492749Disclaimer: 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.