Chrony results @ 70 degrees in LaCrosman HP 14.3 gr3 pumps--538 fps4 pumps--547 "5 pumps--600 "6 pumps--618 "7 pumps--633 "8 pumps--702 "9 pumps--731 "10 pumps--757 "11 pumps--770 "12 pumps--784 "13 pumps--820 "14 pumps--840"For my use plinking and yard patrol 3-5 pumps are sufficient.