The Omega is an extremely short and extremely versatile 30 caliber rifle silencer. It can be quick-detach using the included ASR mount system to give you faster on and off. Or you can use the included thread-on mount to give yourself a lighter weight, shorter overall length and more blast baffle volume. You also have a choice of front-end caps. It comes with the muzzle break 30 cal cap but they also come in flush, 5.56, glass break.