Armaspec AR9 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 AR9 Gen3 Sound Mitigation Buffer Kit: Manufacturer: Armaspec Color: Stainless/Black Gun Make: AR Platform Gun Model: AR-9 Condition: New Country of Origin: USA Features of Armaspec AR9 Gen3 Sound Mitigation Buffer Kit Coming Soon Package Contents: Armaspec AR9 Gen3 Sound Mitigation Buffer Kit What firearm models does the manufacturer say Armaspec AR9 Gen3 Sound Mitigation Buffer Kit is compatible with? The manufacturer suggests that Armaspec AR9 Gen3 Sound Mitigation Buffer Kit is compatible with AR-9Armaspec ARM268-9: AR9 Gen3 Sound Mitigation Buffer Kit SS/Black