Place the new pin into the mirror housing and put a drop of some thick glue onto it (I used Epoxy resin, a glue gun might work too).

好，现在把你新做的定位柱放入定位座，滴上一些比较粘稠的胶水。

youdao

Then in 1985 along came Glock with a gun made from a nylon resin that was tough enough to be made into most parts of a pistol (except the carbon steel barrel).

FORBES: Magazine Article