Antique Firearms Restoration Blog – and C19 gun engraving
I Araldited the tumbler in a bit of faced off bar located by the bearing on the back and cut off the square and faced the 3mm stub and put a 4mm end mill into it for about 3 5mm and turned up a short piece of bar to fit to replace the square and silver soldered it in place then filed a square on it Its interesting that there was a de facto standard amonst percussion gunmakers that defined