A buddy of mine said he had an old Smith that was broken. The hammer would go back but not fall. We took a look at it and the mainspring was broken neatly in two.

I had a 60's vintage Model 10 with me. Imagine that ;^P. Anyway, a quick look at it's mainspring makes you think it would work in the older HE. Anyone know if a modern mainspring would fit right into the old gun? Sure would be nice. Otherwise I need a source for the correct spring if one can be found.

The gun seems fine other than the broken spring and he wants it to shoot.

Bad cell phone pics in bad light

From the picture, I would not hesitate to use a modern "K" model mainspring.

I agree, it should work fine.

Buck

PM me. N/C of course....dan

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HIS Trains 'a LEAVIN

I see no reason that a newer mainspring would not work on your friends older revolver. By the picture and serial number he has a M&P hand ejector made in the early 1900s. The good thing about any of the M&Ps is a lot of the internal parts will enter change. Should not have any problems finding a mainspring.
Good luck
Howard

I would love to have one! Sent you a PM. I really appreciate it.

I put a new Wolff K frame mainspring in a K-22 outdoorsman, works fine.

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Jim
Many K and N Frames