To follow-up on psalms 1911 comment, the 1911 can be customized with flat or arched mainspring housing, beavertail, grip panels of various thickness, and length of trigger. But here is the kicker which y'all know.....a 1911 part replacement can and often involves the fitting of new parts. It's not a plug and play platform. Just saying the grip can be customized more than initially thought.