I got my SDB the other day which was set up with 380 from the factory and ordered a .40 cal. dies and additional tool head. I cant find anywhere that shows you how to set up an addition die set for the SDB. Any help would be great.
Here is what I do with my dies setups for my 3 SDBs:
I set them up to produce good ammunition according to SAAMI specs for that caliber or to the recipe that I am using, then, I measure the settings like this and write it down on the inside cover of my caliber change box with a Sharpie.
The next time I load that caliber on a press, that gives me a starting place. You will still have to tweak a bit to make sure everything works.