My Dear Tree -the date code will make it easier, but the description is sort of ..... difficult.can you possibly post photos? *all* markings, esp the "deer head", under the loading lever, under the grips, etc ad infinitum..yhsprof marvel
Hello Treebeard,Pietta's have a 6m x.75m x metric threaded nipples,I believe Uberti's have 12-28 threaded nipples.I have an Armi San Marco 1851 with 12-28 threads.Hope this helps, AntiqueSledMan.