https://forum.replica-watch.info/fo...68-my-molotow-cocktail-with-springs-and-balls
Here
KJ2020 had found a solution.
Generally you can’t find those parts from the factories and gen parts are really expensive.
The only thing I can add to this solution is in addition to stainless springs, you source stainless balls if you intend on getting your rep wet, especially ocean water.