FREE SHIPPING! The Armaspec Gen3 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 We offer the Sound Mitigation Buffer™ in 3 variations. SMB-Carbine at about 3.3oz equivalent SMB-H at around 3.8oz equivalent and SMB-H2 at around 4.7oz equivalent.
