There is an indientation that runs almost the piddle of the pin. Put the small side of the pin first in from the ejection port side. The grip safty spring arm actually rests in the groove so it wont move.
I just sent you my slide and controls, I hope you can fix, or at least make it look better; the damage done to my XD by my local smith when he put on new meprolight sights. He dinged up the sight grooves a little bit, and broke my original front sight all together.
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