ARMASPEC SMB BUFFER KIT AR9 GEN 3

Armaspec SMB Buffer Kit Gen 3, Sound Mitigation Buffer, Fits AR-9, Black ARM268-9 The Armaspec SMB Kit comes with everything needed to complete your rifle build. This Kit comes with Armaspec's SMB ( Sound Mitigation Buffer), a superior upgrade buffer in place of the OEM mil-spec buffer springs and weights.