I shot a friends 340PD, which has a Scandium frame and Titanium cylinder. It was loaded with .357, but I forget the bullet weight. It was very unpleasant to shoot, so I only put 5 rounds through it.

I've owned and shot various J frames since 1978 or so. I'm pretty confident that I know how to shoot a J frame.

A Ergo Delta Grip would probably help, but a lot of people don't like the look of them.

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Can open, worms everywhere.