11 mm caliber
11 mm caliber is a cartridge or ammunition calibre.
Also recorded as .45 caliber ammunition; .45 caliber; .45.
Overview
Firearm cartridge classification.
In detail
11 mm caliber is a cartridge or ammunition calibre.
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
“11 mm caliber”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q1967175: 11 mm caliber
Consult the source