Colt Screws look farther in from the borders of the grips, too.Pretty sure they will not. Grip is countoured just a bit different. Of course I am swagging, I have never had a colt mustang. View attachment 68985
View attachment 68987
These were plated "narco gun" grips for my nickel plated .380 so no can't make thoseSwag just needs to learn how to use tools. Make your own ya shithead