Not sure of sweet spots.
Everyone has their own idea of what type reamer and the amount of freebore for the type of
projectile they are going to use.
Saw this on another thread which may help. Scroll down to post #133 and #135...
When I log in either on the laptop or SH App on the phone I get this error that comes up.
This is a resent thing that started a few weeks go.
I can still access all the tabs. No big deal, just to let you know.