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Discussion Starter #1
Some early Cobras have a hole in the hammer, some do not and some appear to have the hole plugged. What was the purpose of the hole?



Hole (400x300).jpg No hole (493x320).jpg Plugged hole (567x425).jpg
 

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The hole has no purpose. The "hole" is the pin that holds the firing pin in the hammer. Some pins are solid, while others are hollow, thus showing a "hole." It is not just Cobras that have this variation.
 

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The visible hole in the hammer pin on Colts was used approximately from 1966-1968 but I have seen at least one 1970 D frame that also had that pattern hammer. After approximately 1968 Colt went back to using the solid pin that was always used for Colt DA hammers. I believe the hollow pin is a spring or roll pin. The solid pins are just that, solid.

S&Ws always use a hammer pin with a visible hole. Colt's didn't except for the above mentioned era guns.
 
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