This is a Pietta from 20-25 years ago. The owner had it engraved by a talented local guy and then didn't shoot it much until lately. It is extra accurate and he has the trigger set at about one pound. Barrel and chambers are in good register and the dimensions are good for accuracy.
He did have to relieve the frame a bit to get it to cycle and the nipple holes werer bored shallow on a couple of chambers making it necessary to shorten the cones for those.