Make sure the link is down after inserting it into the slide and work it back and forth a bit until you see it in the hole.
What kind of guide rod do you have?
Is the slide complete (spring and cap compressed in it) or do you install the spring and cap after putting in the slide stop?
What kind of guide rod do you have?
Is the slide complete (spring and cap compressed in it) or do you install the spring and cap after putting in the slide stop?