About: http://webisa.webdatacommons.org/152794488

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	I normally find about 50 shots is an average number for a QB78-family air rifle in stock condition before the muzzle velocity drops enough to change the point of impact significantly (maybe 60 shots for a .177 caliber model).
http://www.w3.org/ns/prov#wasQuotedFrom	network54.com