If you choose to equip your revolver with something like the J Point Reflex you'll end up with a package that is very easy to modify a standard holster to fit. I like Galco holsters because they are reasonably priced, well made, and available off the rack at my local gunshops. All told it took perhaps 5 minutes to carve some additional clearance for the J Points on these revolvers using an Exacto Knife. Afterwards I touched up the exposed fresh leather with a Sharpie pen to disguise the alteration.
btw, as you can see I rather like the J Point.