About: http://webisa.webdatacommons.org/292826344

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	Situations will arise requiring only a single releasable mounting device or requiring more than two spaced releasable mounting devices for mounting optical sighting devices and other objects to firearms.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca