Quote:
Originally Posted by chassis
My personal best, I’m calling this a sub-1 inch group.
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That is a .7 inch group. Nice job.
Measure the group center to center of the holes, but that can be hard to do accurately. You can also measure outside edge to outside edge and then subtract the bullet diameter, like this:
1.09" - .308" = .701"
And of course there is an app for that. Check out Ballistic X if you're interested.