If there is no pressure sign's I don't worry about it. Something about pressure, the max load was determined in one specific rifle, on one specific day with specific component's. Nothing say's that the max load would not blow up your rifle or that you can't go by it.
This.
Also, you could be using different brass, have a large chamber, loose throat etc.
When you say "hard", what's that mean to you?
Keep in mind before we had chronographs etc, most of just kept pouring in more powder until we saw pressure signs, then backed of a bit, and sometimes we skipped the backing off part.
