The spare 940 cylinder I have will also fit into my Model 37, Works ok, But single action is not perfect, It feels a little notchy locking the hammer back, And the trigger pull is about 1mm,,, So in my 14oz model 37 no dash would need a tad of work.
I bought two 940 cylinders and had them both reamed to 9x23 for future projects,
Now I am looking for a cheap K frame 32 cylinder to have bored and machined for 9x23 and moon clips to go into a 2" model 10. or model 12. or ? ? ? ? ?
Peter

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Need 1/2 moon Chiefs special