Yes. You will have to shoot different brands and weights to see which one(s) your shotgun prefers.
1. It can, but, it is not advised. 2. It is stated by Smith and Wesson that the model 14-3, which is the third change of the model 14 can safely shoot plus P ammunition.
You need to find a firearms instructor.
If it is not choked to tight, yes.
.32 rimfire Smith and Wesson model 2 1/2
NO
Depending on what it is choked, yes. Have a gunsmith examine it.
You can, but, you should not. The frame is not rated for +P
You must follow the instructions in the owners manual or call S&W
Thye smith&wesson model 28-2 was chambered for the .357 magnum cartridge.I would say Start with the one round that you and the gun shoot best.Then you can experiment on different weight bullet loads.You may also shoot standard .38 special loads in your model 28.
No
It can be done, but, it is not recommended