Grip screws 1, 2, and 3 came out without a hitch, BUT... number 4 came out with the grip screw bushing attached. I can't push it through the screwhole in the grip panel, because of the grip panel's reinforcement material. I don't know if Locktite will do anything, since I'll have to snug it up to tighten it anyway, and may just make the screw tighter in the stud.
Would a drop or two of WD-40 or some other penetrating oil do the trick, do you think? Any sage words before I do something stoopid and screw it up?

ETA: Correctly defined the grip screw bushing