66 parts interchange need help!

[tbird]

I have 66's ranging from -2's to -4's and want to gather up spare parts for them for the future what if's. Does any know or know where I can get a list of what parts that will inter change between the group and which parts fit individual series. also have a 19-4. Any assistance would be greatly appreciated.
Thanks,
tbird

 

[Wayne M]

I wasn't worried about any part interchange but the hammers(-2 hammer in your gun has no spring behind the firing pin, later hammers do). A call to S&W confirmed that a -3 and -4 hammer will work. The -5 and later hammers, of course, are flat faced. Aside from the rear sight leaves everything else should fit. I don't recall if they used a floating hand in any of the K's(only familiar with the L's) but even that can be changed to the standard hand if needed.

 

[tbird]

Wayne M

Thanks, that helps set me in the right direction.
Thanks again,
tbird