It's not a matter of trying not coming off the target paper. It's a matter of trying not to come off the 10 ring. If you don't have enough (or any) sighters allowed, knocking all the error you can out of the initial calculation helps. That's why you'll find spin drift compensation included in Bryan Litz's Android app for use on the firing line.
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Last edited by Unclenick; July 19, 2013 at 09:55 AM.
Reason: typo fix