About: http://webisa.webdatacommons.org/41177734

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Rifle calibres are most likely in inches and shotguns are always in gauge which is based on the pound.
http://www.w3.org/ns/prov#wasQuotedFrom	straightdope.com