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When did the change in bolt leg shape occur? It is my understanding the rounded leg end became standard for all 2/3 rd G. But, I have seen 2nd G with the 1st G type. ?? THANKS
701917
 

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Premium Member
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1,213 Posts
Discussion Starter #2
When did the change in bolt leg shape occur? It is my understanding the rounded leg end became standard for all 2/3 rd G. But, I have seen 2nd G with the 1st G type. ?? THANKS View attachment 701917
When did the change in bolt leg shape occur? It is my understanding the rounded leg end became standard for all 2/3 rd G. But, I have seen 2nd G with the 1st G type. ?? THANKS View attachment 701917
Going to answer my own question after some on-line research-"
The technical factory name for these parts is a "Bolt" or probably a locking bolt. Many non gunsmithing persons call them a cylinder stop. This part was used unchanged until 1976 when the 3rd generation version was brought out. The original part number was #50976. After the change the part number was not changed, but the configuration of the part did. It was simply designated the "Old Style' or the "New Style".
 
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