Thread: What's changed- more advice for the newbie

Greetings Charliehorse,
Probably nothing at all. In a series of groups some will be smaller than the others and some larger. The first group is three shots and these are often about one third smaller than five shot groups. The second group velocity is slightly faster than the first, for some reason, but about the same ES and, discounting the last shot, roughly what you would expect. Three or five, even six shot groups will have a random dispersal of size. Some testers use the average of three, three or sometimes four shot groups to get a better measure of accuracy. It is likely that your first group was unnaturally small and the second is more representative of the rifle. Good accuracy anyway. Some would discard the second group and crow about the first but they would only be fooling themselves.
Regards Grandpamac.