Embodiments described herein relate to a suppressor that includes a unitary structure comprising a body having an interior volume and a cone shaped nozzle disposed at one end of the body, wherein the body includes a plurality of cooling channels spanning a length of the body, and a plurality of internal channels that are formed radially inward of the cooling channels, and both of the plurality of cooling channels and the plurality of internal channels terminating in a faceplate of the body, a central bore is formed from a breech end of the body to the faceplate, and a plurality of baffles surround the central bore.