Thread: 3 shot groups are useless!

Originally Posted by gimp

It does nicely demonstrate the variation you should expect with 3 shot groups in terms of the extreme spread - even with only 2 groups, they are quite different in size. You should expect variation of 70% +- from the average (if the average is determined over a meaningful number of 3 shot groups)


More data needed to determine what it tells us about the MPOI or precision of this rifle system. Initial signs are that it isn't immediately obviously bad.

I truly thought the top group would be like the bottom one.