Quote Originally Posted by Mr.Snerdly View Post
22.8 of Benchmark. I get it as close as I can on a beam scale, trickle it up the last tenth grain or so. Unless you mean something else like if I have used different powder charges, like 22.5, 22.8, 23 to see what worked best. I have only used the 22.8 charge so far.

I suspect this is your issue. You really need to consider multiple charges in a load workup. Then reprove it. Also have you ever thrown a charge and after you pour it into the case, dumped it back into the pan and reweighed it? Just to see if everything is repeating.