Q Erector 9, Suppressor, 9MM, Anodized Finish, Black, Stainless Steel Construction, 1/2x28 Piston SIL-E-9-BLACK It's not only the quietest 9mm silencer, it's also the lightest at only 8oz in its longest configuration. On top of that, it's also the loudest, longest, and shortest silencer on the market wait, what? Configure the Q Erector9 with one baffle, or all ten to fit the needs of your host firearm and ammunition. The choice is yours, choose wisely.