I hate reloading 9mm. Have not done it in.... decades. Even more, I hate doing it because I have to. EVEN MORE, those four words, "small pistol primer famine"!
I've seen this question come up a few times about the Ammoload cases with the step in them-- pretty unconventional and for the reloader, a little, well, disconcerting. Last night I was sorting 9mm brass picked up from a recent class and found some of it after tumbling. I sorted it out and took some time today to do a little study-- everyone draw your own conclusion. Mine is, I would not use it for loading 9mm Major but you guys living on that edge already have your formula and know that's not territory for trying the new and unusual. For the way I will load 9's to the mild side, going from what I see here, I don't think there's any issue. Looks to me like Ammoload and FM are probably from the same plant but with different headstamps. I think FM in this case might mean Freedom Munitions. My limited experience with them is that they are a good outfit.