I had a stainless .44 many years ago. I don't remember the barrel length, but 3 inches seems about right. I fed it a few boxes of Remington standard pressure loads and a bunch of handloads that were all well under SAAMI specs. (I tend to handload down, not up.) Nevertheless a pin that fastened the trigger guard to the frame bent under the stress. (Either part 32 or 34 on the Numrich diagram, I don't remember which.) Naturally, when I tried to get that fixed at the factory, Charter Arms chose that month to go belly up. I had it repaired privately, sold it and never looked back.