Quote:
Originally Posted by Hoosier45
I don't own an I-frame or J-frame currently. They are about the size of K-frame magnas in total size when side by side. I know you can install a j-frame grip on a I-frame (not vice versa), but these grips look too small to be J frames. Is there two sizes of I-frames, I-Frame and "improved" I-frame??? If so did the earlier have a shorter grip frame?
Jim, could you please elaborate on your comments about "no grip frame of that shape", as these appear to be a standard square butt shape.
They have a serial number 4892 carved lightly on the inside of the panels. I bought them because I thought they may belong on a 1891 Single Shot.
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1. There are two sizes of I frame and two sizes of J frame grip frame sizes:
Pre war I, post war I, and Improved I grip frames (and Single Shots), and the Baby J grip frame up to 1953 are the same size and interchangeable.
The Model of 1953 New I frame and New J frame grip frames are also the same size, 1/8” longer than pre 1953 I and J grip frames.
2. The I/J square butt grip frame never had square corners like K/N frames, they’ve always had very rounded corners.
3. Also you'll notice the interior grip frame cut out is dimpled for a strain screw near the butt. I and J frames no longer had a leaf spring or strain screw before the first square grip frame was introduced on the Model of 1953 NEW I and New J frames. The coil spring replaced the leaf spring on I frames in late 1951 and the J frame was introduced with the coil spring in 1950.