Like allot of questions in the area of reloading, the answer to this is "it depends". It depends on the hardness of the metal and the type of expander plug in your die.
Current production dies have expanding plugs .356" for .357 jacketed bullets. This works just fine for that purpose.
Shove...
I don't believe the Model 28 came in any barrel length other than 4 and 6 and any metal finish other than low luster blue.
You could get all the fancy stuff and options on the Model 27, but the 28 was a plain jane duty weapon.
The law on this kind of stuff is rather convoluted, but it really doesn't matter as nobody is going to court anyway. Folks will either take responsibility or they won't.
This kind of stuff reminds me of what my Grandfather told me many years ago.."Son, if you want somethig done right, do it...