https://en.wikipedia.org/w/index.php?title=Medium_machine_gun&oldid=1063571269 http://www.ontologyrepository.com/CommonCoreOntologies/Mid/ArtifactOntology Medium Machine Gun A Mounted Gun that is designed to fire full-power rifle Cartridges (less than .50 caliber or 12.7mm) in quick succession from an ammunition belt, and which typically weighs 22-30 lbs.