I totally agree with you. I've found h1000 to vary considerably from lot to lot. I prefer Retumbo over h1000. There were a several people who didn't have much success with h1000 in the 6.5-284 but did have success with Retumbo. I run N570 in a 6.5 saum. Works good.I think you just have a one of those barrels. All of the numbers confuse people. It's the lands, grooves and throat that cause the most change to your loads. The lot of powder can also play big role in it too sometimes. (Why I don't buy one lb of powder at a time, and try to buy at least 5lbs off ogf the same lot#) What you are seeing is normal. How is the case fill? Maybe try retumbo or n570?