Your inbox is full so I posted my response to your inquiry regarding my tamper here, hope you don't mind.
The casing is from a 45 auto center fire round. The wood is turned to shape and sized to closely slip into the casing. There is no milled tenon, the end just slides straight in. The percussion cap is removed and the casing is secured with a brass flat head brass wood screw and glue. Glue and fit the casing pre-drill a pilot for the screw which fits perfectly in the whole left from where the cap was. Any casing should work fine brass is common and the screws to match are available everywhere but you could use nickle silver pins of the appropriate size for a similar effect on nickle silver casings. I have tampers that have no metal foot and some with brass or silver sheet cut and trimmed to size, I like a metal foot better but just about anything will work fine as long as its not lead. The brass has no coating or special treatment. That tamper was made for me by a friend but I know his process. Hope that helps.
The casing is from a 45 auto center fire round. The wood is turned to shape and sized to closely slip into the casing. There is no milled tenon, the end just slides straight in. The percussion cap is removed and the casing is secured with a brass flat head brass wood screw and glue. Glue and fit the casing pre-drill a pilot for the screw which fits perfectly in the whole left from where the cap was. Any casing should work fine brass is common and the screws to match are available everywhere but you could use nickle silver pins of the appropriate size for a similar effect on nickle silver casings. I have tampers that have no metal foot and some with brass or silver sheet cut and trimmed to size, I like a metal foot better but just about anything will work fine as long as its not lead. The brass has no coating or special treatment. That tamper was made for me by a friend but I know his process. Hope that helps.