MARKJ,
When you say a GP100 snubbie, do you mean a 3" or did you pick up a cut down version of a GP100, cut to say 2"-2.5"? If it is the latter I suppose a holster strong side owb for a 3" would be fine. Also, you could try a IWB if it is a short barrel. I wear a 3" OWB, IWB, depending on what I'm wearing and where I'm going. If it is a cut down version of the 3" GP100 and you decide
that it's not for you, I would be interested in buying it from you.
Good luck in your adventure.