Considering that the MAP of the .327 Federal is higher than that of the .357 Magnum, I'd hesitate to rechamber a cylinder originally intended for .22 lr. I'd not bet that either the steel or the heat treat would be up to the challenge. At least on anything made before about 1960. Maybe not then.
You might know someone who's done it and hasn't had a problem-yet. People hit the lottery too.
Last edited by WR Moore; 08-31-2017 at 07:02 PM.
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