Originally Posted by handejector

I'm always trying to learn also!
I don't THINK any large trigger guard frames have short grips cause I've never heard of one or seen one. Your gun has the large trigger guard.
Small frame grips from 50-54 vary a lot as they evolved.
So-
Short grip frame= pin about 1/8" from bottom.
Long gripframe = pin about 1/4" from bottom.
I can see that in pics, hence my request. Measuring works as good if you can.
Measure from bottom edge of pin to edge of frame.