I have also had great success using a chamber reamer on numerous 22LR revolvers.
FWIW, the tight cylinders and difficult extraction problem isn't unique to S&W. I've had to ream the cylinders of Rossi, S&W, Taurus, Heritage, and High Standard revolvers to cure sticky-extraction issues.
I've had to do it on both steel and aluminum cylinders, In fact, I have a recently purchased a SA Chiappa revolver that needs to have the cylinder reamed. For whatever reason it just seems to be a common issue across the board for 22LR revolvers - regardless of who manufactured them.
FWIW, the tight cylinders and difficult extraction problem isn't unique to S&W. I've had to ream the cylinders of Rossi, S&W, Taurus, Heritage, and High Standard revolvers to cure sticky-extraction issues.
I've had to do it on both steel and aluminum cylinders, In fact, I have a recently purchased a SA Chiappa revolver that needs to have the cylinder reamed. For whatever reason it just seems to be a common issue across the board for 22LR revolvers - regardless of who manufactured them.
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