I remove mine with a small,thin bladed screwdriver. Make sure to use something(I use a #2 pencil,eraser end)to hold down the plastic frame just below the pin head opening so when the pin comes out the head will not try to take the frame with it.
Also when you put the pin back in,make sure the little spring wire is seated where it's supposed to be,below the pin.
And take care not to loose the ejector outta the frame rail.
I have disassembled my weapon 25 or so times now with less trouble with the pin every time.
Give them 90gr. Gold Dot's a try. They function every time in my weapon. --------