I became a dipper when I found my Uniflow measure just could not hack H4831. I had a 25-06 that I was trying to build up a load for. The bridging was so severe I would have a 12-grain difference from one load to the next. I was already throwing low and trickling up. What I did was build a customer dipper out of an old case and build a handle from brass wire. It measured a load that was just under the target weight. I then topped it off with the trickle.
See details here:
Call me a DipperSince then, I've acquired an Hornady Auto Charge. It throws close to dead-on every time.