Here's a pic of one style of drop in beavertail (or duck bill in this case). Same concept, different shape.
As misanthropist mentioned, a hammer swap or bob would most likely be required if you decide a beavertail is what you want to go with. The benefit to one of these is that you don't need to modify the frame to fit it, but its at the expense of a snag-free, fitted transition from the frame to the grip safety. This pistol was thus equipped when I bought it, but shortly after I changed it out to a rat tail type grip safety.
I've never had an issue with a traditional type spur grip safety, but I'm not a very good shade tree gunsmith so in order to retain the commander type hammer that was installed, I opted for a grip safety that would allow me to get the fit/feel I prefer with the hammer that was there. I've done this to a couple of pistols I bought used, no regrets and no "bite". The same pistol is below after the part was changed.
The original accepted JMB design used a very short spur grip safety, which was lengthened after a few years in what is called the "A1" pattern. Here you can see the difference, original on the left (1918), A1 on the right (1943):
The longer tang of an A1 grip safety is intended to prevent the bite that some experience. But you have to factor in things like hammer length as well, as some may overhang the grip safety more than others, depending on the configuration. This pertains more with a traditional type pistol, especially when you encounter old service pistols that may have had a lot of parts swapping done.
Just wanted to illustrate a few different options. I'm not necessarily a fan of a drop in beavertail but if you want to avoid cutting a frame its an option.