About: http://webisa.webdatacommons.org/449694331

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	r and push the knob in.The whole rear sight assembly, ears and all, comes off and a Weaver-type base(that comes with it) screws on, allowing you to mount a red dot or other optical sight.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com