The Tiger Rock Inc. B9MM-SMB SMB(TM) AR-9 Sound Mitigation Buffer(TM) revolutionizes your shooting experience with advanced sound and recoil management. Engineered as a single stage captured drop-in replacement, this buffer extends seamless compatibility and enhances firearm performance. Say goodbye to noise distractions with its innovative design that minimizes recoil and ensures efficient operation. Single stage captured drop-in replacement for your standard buffer and spring Significantly reduces felt recoil Prevents buffer spring contact with buffer tube for quiet operation Customizable spring tension for personalized feel Lightweight at 6.9 oz, durable construction Made in the U.S.A. for quality assurance Maximize your shooting potential with the SMB(TM) Sound Mitigation Buffer today.