If you are ever in Paris, tour the Invalides, which is the French war museum at the tomb of Napoleon.
Lots of history, and lots of the early wheel locks and match locks and flintlocks are made from pear.
They didn't stain them, but left them light. Of course, these were "show" guns. I doubt if most of them had been fired.
Carving and engraving that would boggle your mind.