23×115mm
23×115mm is a cannon cartridge or ammunition model.
Overview
Soviet low-caliber autocannon cartridge.
In detail
It is associated with Soviet Union. The record gives 1943 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
“23×115mm”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q2815141: 23×115mm
Consult the source