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I am looking for information (dates and correct terminology) on the parts for the models and years of the original rifles that used the .78″ “Firing Pin Stop” as well as those that use the stronger “Firing Pin Extension Stop” (retractor).
I was under the impression that Winchester only used the pin on the .22 cal. models and used the retractor on the other models.
It appears that Uberti, as well as Miroku both use/used the pin for all cartridges. Uberti switched to the plate for the 66′ and 73′ but I don’t know when.
Uberti Parts uses the following terminology on their parts list;
- Firing Pin Stop (pin)
- Firing Pin Extension Stop (retractor)
- Winchester’s 1875 catalog (retractor)
Pin, in this photo you can see the abuse the “firing pin stop” takes. Not much longer before it would have failed (44-40,)
The “retractor” appears to have been used in all original 73’s from what I can find so far. Anyone know any different? This is a replacement part called the…
“Firing Pin Extension Stop”.
An Uberti that shows the use of the pin.
An example of a “retractor” used in a 76′
Maroku 73′ using a pin
An original 73′ showing the use of the “retractor”/”tab”. 
An original 73′ shows when the pressure built up in the chamber, it blew the barrel and not the action. The firing pin extension appears to use the “retractor” rather than the weaker “pin”.
This 1876 advertisement in Forest & Stream shows the “tab” sticking down…as well as Winchester’s own 1875 catalog.
So why would Uberti and Winchester start using the weaker pin in the replicas?
Winchester used the retractor in all its 73’s and 76’s except for the 22 cal. The replicas used the pin because it shaved some money off the cost of the gun.
Bob
WACA Life Member--- NRA Life Member---- Cody Firearms member since 1991 Researching the Winchester 1873's
Email: [email protected]
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