Several years ago i sent my .44 mag unit to Lewiston Idaho along with a handprint for a set of custom, ambidextrous walnut grips. -Herrett custom grips or something like that is the name of the business.
they took my hand print and produced a wonderful set of grips. they're great grips. just can't remember the company name exactly. there were numerous options available as to type of wood, grade and styles. the boomer was tamed a bit with a good set of grips.