I have a 9 mm revolver. Any special reloading considerations, or differences from reloading for a semi-auto?

Bullet creep from the case during recoil could be an issue if your expander plug over expands the brass. Semi-auto pistol bullets typically lack a crimping groove, so a taper crimp and really good case neck tension are the only things that will prevent bullet creep during firing. Beyond that, no differences that I can think of.

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VCDL, GOA, NRA

From what I've read it's all about bullet creep. Some people have no issues, some experience it.

Remember that lighter bullets will have less of an issue, all other things being equal.

I've noticed that the 9mm I've been loading (for autos) with tapered base bullets, it's been working pretty good to skip the flaring step, and from the neck measurement after pressing the bullet in I don't really need to crimp either. But I don't know how that would work with 147g in a revolver.

You can go lighter with your 9mm loads in a revolver because they don't have to activate the slide to pick up the next round.

To the above I would add to just flare the case mouth enough to start the bullet. When you press it in to get your OAL you'll expand the brass and you've got your start of tension prior to starting your taper crimp. 😊

I’ve had no problems with bullet creep because I use 115 gr. bullets, and a Lee Factory Crimp die, which I just put a “kiss” of a crimp on.

Thinking more along the lines of OAL and powder selection.

Major bullet brands usually have load data with OAL to start with. Feeding concerns can be an issue with OAL.
Additionally, with the limited case volume going short can be a pressure issue if you're loading warm/hot.

Back in the 70's, the Speer 125 Gr. SP .355 Dia. had a cannelure on it and was rated from 887 up to 1251 fps for loaders.

Some of the plated bullets have a light "Can" on them but I don't know of any that have deep crimp area, like those on the 38 special bullets, made in todays factories, with the 9mm bullets.

Now if you will shoot "Lead" 9mm bullets, things will improve for you, in the crimping department.

If I had a 9mm revolver it would be loaded with a blunt-nosed lead boolit and a firm crimp. Probably a 105 grain Lee SWC at a high velocity because I got an ice cream tub full of those.

The crimp would be the only special consideration.

I never had problems with bullet creep in a 9 mm revolver with a normal taper crimp and coated bullets.

If the revolver is a 986 or 929 check out this tread :

Loading 9mm

What revolver?

I have a 929 and have loaded at least 1,000 160 WFN bullets with no issue. Assuming the bullet and case are sized correctly bullet creep shouldn’t be an issue.

I have a Ruger 9mm LCRX 2” BBL.

*I AM NOT SUGGESTING YOU DO THIS*

I was goofing around with some 148g LRN projectiles I use in light 38 special plinking rounds. I loaded up some for my Charter Pitbull 9mm and they worked perfectly fine.

Besides that? The same Berry's 115g RN that I use for 9mm semi's work just fine in that revolver. Lighter loads = less crimp jump.

I have a Ruger Convertible 9mm/.357, and a couple S&W Shield 9's. The Ruger shot like poo until I started using the Hornady 140gr Cowboy bullets over a charge of Red Dot, (listed in the manual for 147gr 9mm bullets). The same load shoots great in my Shields. Lead is no problem, but the jacketed bullets with a harder core might be in a 9mm tube.

Revolvers are revolvers: the longest OAL is the one that still fits into the cylinder. You don't want the bullet falling out of the case, but...

I guess what I'm trying to say is that any feeding problems should be moot. The previously mentioned LEE FCD should take care of any setback or bullet creep issues. I have one for every caliber I reload, when available.

Frankly, I think over-expanding cases is often the root cause of many reloading issues. To me setting up the expansion is as important as any other step in the process: the good thing is that it usually only needs to be done once per loading cycle. That's why I (re-)process my brass, size & prime and leave the expansion step for the individual bullet and load.

Just my $0.02.

Cheers!

P.S. Anyone ever heard of a 38 Super Automatic revolver?