Yes. I have a new model 629 and I put 500 X frame grips. They fit.

Took em off for 2 reasons.

One: didn't lower recoil as much as I'd hoped.

Two: I didn't like my reach. Index finger seemed stretched a bit enough for me to pull well? ( I tend to use the same grip on almost every revolver- and I have large size glove hands. I don't have large! Hands, but if my reach differs, ocd kicks in and oh well.....)

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