That is a good plan. Don't use the case feeder at the start. Instead manual drop one case every 5 pulls of the handle. After your sure its perfect reset the OAL with a full shell plate.
Instead of multiple powder measures you can get a a micrometer, a dial or multiple powder bars.
Yes, I post using a phone so my spelling sucks.
Converting Hornady owners to Dillon
one owner at a time.