The New Gen2 Sound Mitigation Buffer™ SMB ™ is a single-stage drop-in replacement for your standard buffer and spring. The Sound Mitigation Buffer ™ is designed to keep the buffer spring from rubbing against the inner wall of the buffer tube providing smooth,quiet operation. Pat. Pending

Weight SMB-H3 5.6 oz

Installation instructions:

1. Insert polymer base with guide rod into the buffer tube.
2. Insert desired spring on the guide rod.
3. Insert the buffer over the spring.