Lower Receiver Parts

This spacer is for use in a fixed stock A1 or A2 buffer tube when utilizing the Armaspec Sound Mitigation Buffer (SMB) or Stealth Recoil Spring (SRS). 2.75″

SMB-H2 4.7oz

The Armaspec 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

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.

SRS-H2 4.7oz

The Armaspec Stealth Recoil Spring™ SRS ™ is a self-contained multi-stage drop-in replacement for your standard buffer and spring. The Stealth Recoil Spring ™ is designed to reduce felt recoil as well as keep the buffer spring from rubbing against the inner wall of the buffer tube. The buffer mass is designed to stay under constant tension against the bolt carrier and the O-ring on the head of the buffer mass prevents metal on metal contact.

We offer the Stealth Recoil Spring in 3 variations. SRS-Carbine at about 3.3oz equivalent SRS-H at around 3.8oz equivalent and SRS-H2 at around 4.7oz equivalent.