So im looking for the DEFINITIVE answer on how to measure your group sizes, as per a target shooter for a competition. As i've never shot competitively with a rifle or been anywhere near a rifle club, i don't know if my way is correct.
I look at the holes and figure what the smallest diameter circle all of those shots will fit within, thats what i say my group is.. Reason i ask is because when you get sub MOA, its more tricky and when people say they're getting 1/4'' groups, i don't know how i would measure it accurately. Especially when your bullets are in my case .300'' diameter.. I know that the deer doesn't care, but i do.. Im now getting decent groups which are within my thumbnail at 118yds, but trying to figure out the measurement accurately, i'm not sure how..