The Gen3 Sound Mitigation Buffer SMB serves as a single-stage captured drop-in upgrade to replace the standard buffer and spring system. It is crafted to prevent the buffer spring from making contact with the interior wall of the buffer tube resulting in a smooth and quiet performance. Among its features this product offers a single-stage captured system as a direct replacement for traditional buffers and springs. It effectively reduces felt recoil while ensuring a quieter operation by eliminating spring contact noise. The spring weight is adjustable to meet individual preferences. Manufactured in the U.S.A. the package includes a Polymer Base Guide Rod a Spring and a Buffer.