23 mm caliber

23 mm caliber is a specific size of popular autocannon ammunition.

This ammunition size has been widely used in many conflicts worldwide. Examples of armaments using it are:

• 23×115mm caliber, used on many Soviet and Russian airplanes
• 23×122mm{{cite web|last=|first=|date=|title=Cartdidge Collection|url=http://milpas.cc/rifles/ZFiles/Misc/Cartridge%20Collection/23-28.jpg|url-status=dead|archive-url=https://web.archive.org/web/20160310103254/http://milpas.cc/rifles/ZFiles/Misc/Cartridge%20Collection/23-28.jpg|archive-date=2016-03-10|accessdate=|website=|format=}}
• 23×139mmSR
• 23×152mmB caliber, used on Ilyushin Il-2 attack plane as well as on later Soviet anti-aircraft guns
• 23×260mm caliber, telescoped ammunition used on the Rikhter R-23 autocannonhttps://disk.yandex.com/a/03L473AK3VQkLK/5aeeab7966c8a637d96aa450