Thanks for the quick reply.
I tapped it pretty good with a short shank starter punch and a 8oz hammer but it didn't even budge. I could try a 16oz hammer but any more and it could mushroom the pin, bad news.
Looks I'll be sending it to S&W to be pressed out.

Sorry for the slight hijack, my Model 39-2 sometimes ejects straight back but not enough to worry about. Cleaning and re-lubing seems to help.