Well, I decided to go ahead with 4.4 grains of Bullseye. I went with the Speer recommendation on COAL -- 1.435". I also learned some things:
- Plated is way cleaner than lead (was doing lead HBWCs before)!
- Finally got my process for setting the seating die right, so no "factory seconds"!
- My powder measure is more consistent getting 4.4 grains than the 2.7 I was measuring for the HBWCs (is this normal?)
Did I get the seating depth right (or at least OK)? I made only two cylinders' full (14 rounds total) for testing, in case I got it wrong. Here's my result:
