Assertion: machine gun's unit | /r/HasProperty | produced to date
Facets:
value: by a plethora of companies
type: OTHER
Source sentences:
text: The machine gun has been in production since 1921 and more than 3 million units have been produced to date, currently by a plethora of companies most notably General Dynamics, US Ordnance, Manroy Engineering UK, Sabre Defense, etc.