The dividing line between smaller-caliber weapons, commonly called ' guns', from larger-caliber ' cannons' (e.g. JSTOR ( April 2011) ( Learn how and when to remove this template message)Ģ0 mm caliber is a specific size of popular autocannon ammunition.Unsourced material may be challenged and removed. Please help improve this article by adding citations to reliable sources. This article needs additional citations for verification.
