Armaspec H2 Gen3 Sound Mitigation Buffer Kit SS/Black. This Kit comes with our SMB ( Sound Mitigation Buffer) A superior upgrade buffer in place of the OEM mil-spec buffer springs and weights. Specifications for Armaspec H2 Gen3 Sound Mitigation Buffer Kit: Manufacturer: Armaspec Color: Stainless/Black Condition: New Weight: 4.7 oz Country of Origin: USA Features of Armaspec H2 Gen3 Sound Mitigation Buffer Kit Coming Soon Package Contents: Armaspec H2 Gen3 Sound Mitigation Buffer Kit Armaspec ARM268-H2: H2 Gen3 Sound Mitigation Buffer Kit SS/Black