Gemtech Lunar, Pistol Suppressor, 9MM/300BLK Subsonic, Weight 10oz Long/7oz Short, Length 7 Long/ 4.7 Short, Diameter 1.4, 1/2X28 Thread ID Assembly, Black Anodized Finish 12711 The Gemtech Lunar 9 suppressor delivers the internal volume and turbulence needed for serious sound suppression with both 9mm and 300BLK subsonic cartridges. The Lunar 9's internal design ensures optimal baffle alignment for easy disassembly and cleaning.