Hello Tom, At this late date we can only speculate about why that pis is so long. It is easy to change pins without it being detectable but it should only be necessary if the barrel is changed or set ...
more John, For what ever it is worth, In my stock of HS parts I have an envelope of the "Barrel lock Pin" and in that envelope is a batch of 85 pins. I measured these pins and came up with 2 groups,...
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