Older Solder Gun Questions

[DrGonz78]

This one has the silicone type tip adapter. Looks like you cut selected lengths and put it on the main tip. Probably not what you had in mind but I wonder if this one works well?

https://www.adafruit.com/product/159...IaAiFtEALw_wcB

[Helmholtz]

Should be easy to fit a piece of silicone tubing over the tip of most solder suckers.