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Old 09-15-2021, 06:08 AM
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Originally Posted by mike0010 View Post
I cannot seem to find any information on 18-3 with a 22 magnum cylinder. Are these firearms OK to shoot 22 magnum in them? My version has two cylinders and one of them is definitely a 22magnum (the 22 lr is pretty sloppy in these chambers!), since the cartridge fits the chambers perfectly!
Any info would be very much appreciated.

It's likely an aftermarket addition and not a factory supplied extra cylinder. As far as I know S&W only fit .22LR cylinders to .22 magnum guns, not vice-versa, due to the .22 magnum bore spec being slightly bigger. That being said it should work fine.
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