Congrats on a great looking 83! I carefully locktite-d my grip screws and did not tighten them too much, but they cracked between the screw holes and back strap anyway. Great excuse to try something different...
Solution? Wood grips! I spend a couple hours slowly shaping and re-contouring the rougher edges and providing better access to the mag release and such, and the $39 grips are now oh-so-good. It was fun to do some finish wood-working again, used to make knives in the 70's and liked shaping the grips to match the owners hands. Brought back memories, smelling the walnut in the sandpaper again.
Your 83 is in exceptionally fine condition and a fine shooter to match! I'll bet you're glad you had third thoughts on the matter!