Navigator said:
.. Don't feel any sort of click tho. Never have ...
?
Is it possible the pin is not going in enough for that shallow groove to go past the hair spring.
You should be able to push the head of the pin so it touches the slide. and then only come out the thicknes of a case rim with just slight finger nail pull.
IF you are mechanically inclinded (about leveage pulling pin) try putting the pin in with just the frame. It might be possible there is a little flashing around the grip hole. I just check mine and the pin head hits the grip plastic just before head touches slide.
Also looking down on the frame/grip with the slide off, it might observe if the hair pin has been pulled out of its groove, buldging the grip out