As per FlaLagarto use test weights.---or have you changed to a different jug or type of powder??? is loader level???? been dropped??? is bushing clear??? many possibilities. Your doing the right thing by checking the scale. Ross Puls
<blockquote><I>"...In the ball park...use a dime, thats about how much your results will be worth.</i></blockquote>Before you go running things down weigh 20 "new dimes" on a good scale and tell me what the variation is. It's way close enough for shotgun work.