I recently acquired a nice 357 Blackhawk. I found out that it is in such good shape because Bubba didn't dare shoot it after introducing the trigger and hammer to his Dremel tool. I know that Ruger will install the transfer bar hammer and trigger in it, and am considering that option. I have looked at Brownells and Numrich, with no luck. eBay had one, but I'm not comfortable buying used sight unseen. Does anyone know of a source for a hammer and trigger that is reasonably priced?