I guess I'm bucking the trend with this opinion, but. I don't like brass frames on revolvers. But I'll say that the brass used on these revolvers are not all that soft. They are, from what I've read, made from brass that is more like (stronger) bronze which was used to make cannon. But that aside, I do not believe shooting any level of loads will cause the frame to stretch. But there is a "possibility" too much force when seating ball can be a factor. Just make sure you do not use ball that's to large. If it's hard to seat any ball in the cylinder, the ball is likely too large.