Glock Trigger Housing Pin is a generation-specific item. The slimline Glock 42 & 43 have a narrower pin. Conversely, the Gen 5’s have wider Pins. If you are in any doubt please put in a call to The Glock Shop and we will be delighted to assist you.
Glock Trigger Housing Pin in Polymer ll
The Trigger Pin is made from Glock polymer ll and should never be replaced with a third party pin made for steel.
The Trigger Housing Pin is item 29 and 29a on the Glock Schematic. Click on the link above