Building loads for a rifle I purchased last summer.
Was comparing data in some of the older manuals and, dadgumit, I can't remember when IMR and Hodgdon started mirroring each others powders.
What year did H4350 come out?
Gotta start writing these things down, storing too much usless stuff in the space between my ears.
Why the heck they did not just give them different numbers, I sure don't know.