Gomin Nasi Professer
Unfortunately, Silver Solder is a "stickum" and not a filler. For your Apple-La-Cation, it will work, temporarily. It will wear quickly and you will be redoing it on a regular basis. I would be more inclined to use the silver solder to stick a small piece of steel in pace and final shape it with files. I am also a huge fan of "Force 44."
JB WELD is also just a Stickum although I have use it as a fill between shotgun barrels when I have reduced their length to something more manageable. That still isn't subject the material to wear.
I can't submit a better suggestion. Well, at least not one you would appreciate. I don't like '87s and perhaps my "final solution" might offend.