Definitely try it! I had a spare 1/2oz. bar lying around for awhile so this was easy. You could try a loading a few by measuring out the shot and then crimp or roll crimp. I promise you will like it!

That 20 gauge load sounds very interesting. I've got to make a notebook of some of the loads listed in these threads that I want to try so I don't lose them or spend a lot of time looking them up.