Proper planning is key. You don't have to be a mechanical engineer, but simple sketches go a long way.
A sound suppressor for a firearm with a high rate of fire, such as a machine gun, conceals the location of the firearm during heavy use by rapidly dissipating heat through a foamed carbon core. A sound suppressing baffle core is coaxially located within a tubular housing, having flared ends extending beyond the core. An inlet nozzle and exit place close the ends of the suppressor and are held in place with threaded collars. The terminal portions of the collars are beveled, as are the…
US20150136519A1 - Sound Suppressor for a Firearm - Google Patents