.50 Beowulf
.50 Beowulf is a rifle cartridge or ammunition model.
In detail
It is associated with United States. The record gives 2001 as its date of establishment or first appearance.
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“.50 Beowulf”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q625364: .50 Beowulf
Consult the source