Groups should be measured from the point you are aiming at, to the center of the hole furthest away from that point, IMHO.
The way youse guys are doing it, one could have a quarter inch group, but miss what you're aiming at. And that wouldn't put a partridge in the pot.
The way youse guys are doing it, one could have a quarter inch group, but miss what you're aiming at. And that wouldn't put a partridge in the pot.