Perhaps if the pin touches the guage it is too long!
Patrick,
Or perhaps the one of the notches is not used for the firing pin point but some other measurement. Could you possibly repost this photo with a ruler in the picture so that we can tell how large this device is? I have never seen one before and I don't believe that this device is included in the prints available from Frank Rial. How about it Frank? Do you have a print of this device or any other information?
There are three notches in the guage. I presume that the ones on either end are for measurement of pin protrusion in the uncocked position and the one in the center is for determining if the pin point is the proper shape.
If you can re-shoot this photo please make sure that the ruler and the device are parallel so we can recreate such a device. How thick is the metal and what is it made of? How are the markings applied? are they stamped? Painted? etched?
Does anyone else have any information on this guage?
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