I'm loading with w231 and i'm following the paper for which disk size to use for w231. the .49 hole is suppose to measure 5.3g of powder. Which it does exactly. I decided to try something lower so i used the .46 hole which is suppose to be 4.9g and its consistantly (checked it like 2 dozen times) and its weighing only 4.6g. Why is it weighing .3g light? I know they may not be exactly right but why is it that one is weighing correctly and the next one down is weighing .3g light? The problem is that i was wanting to load at 4.9-5.0g. With the way it is right now i can only weigh 4.6g and then the next disk size up it jumps to 5.3g. This is getting frustrating....Does anyone have any advice for me?