The Gen3 Sound Mitigation Buffer™ SMB™ is a single-stage captured drop-in replacement for your standard buffer and spring. The SMB™ is designed to keep the buffer spring from rubbing against the inner wall of the buffer tube providing smooth, quiet operation. Pat. Pend.

The Gen3 Sound Mitigation Buffer™ SMB™ is a single-stage captured drop-in replacement for your standard buffer and spring. The SMB™ is designed to keep the buffer spring from rubbing against the inner wall of the buffer tube providing smooth, quiet operation. Pat. Pend.