Just wondering.I know there have been lots of variations of these models over the years,but never saw either in a square butt frame.

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My Daddy was a pistol..

Your observations reflect reality. No square butt grip frames were ever offered on either model.

These two models were considered the ultra concealable models. The square butt stocks add an additional 5/32” in length to the rd butt frame with a sharp corner at the heel.

However the sq butt stocks can be installed on rd butt grip frames with a filler piece and voila, you have a sq butt.

Such 'adapter' stocks have also been offered commercially aftermarket and can be found on the used market.

Several S&W factory offerings can also be found:

J frame post war target grips shown in the smooth version below will fit perfectly on rd butt guns and actually are a better choice for shooting. They are easy to find, most are checkered:




These are modified Post 1953 I/J frame Target stocks.




Targets:




Early combat stocks w/medallions and smooth:







There’s also these combats, checkered:




Or smooth:







And these:

__________________
Jim
S&WCA #819