Shop › ARMASPEC SMB BUFFER KIT H2 GEN 3 ARMASPEC SMB BUFFER KIT H2 GEN 3 $86.39 Armaspec SMB Buffer Kit Gen 3, Sound Mitigation Buffer-H2, Fits AR-15, Black ARM268-H2 Quantity: Add To Cart Added! Armaspec SMB Buffer Kit Gen 3, Sound Mitigation Buffer-H2, Fits AR-15, Black ARM268-H2