About: http://webisa.webdatacommons.org/191615091

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	Friend told me and I will have to find out for sure, but that these slides like this cracked one was a in between version that was tried and discontinued due to slide failure about 5 to 6 years ago and where not used across all calibers.
http://www.w3.org/ns/prov#wasQuotedFrom	glocktalk.com