Keep in mind that the patent refers to originals, not Italian repros. Nothing against the Italian guns - I got more than I need and I like them all, but I wonder how important that little screw was back in the day. The wedge screw on my 1860 .44 (Pietta) didn't even touch the wedge so I put one in with a larger head and it actually helped tighten the barrel/frame connection.
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