Originally Posted by gun toting monkeyboy
IIRC, it is a matter of which parts you put on the frame after it is made. You use a different slide and ejector, but they all fit on the same basic frame. It is the same for .38 Super and .40 S&W. They all require slightly different parts that go on the basic frame.
Thanks! That is what I thought and just needed confirmation.
Overall milling is standard for the frame. However, differences in individual parts will need to be fitted on our own. (with file in hand.)