Don't be lured into spending thousands of dollars unnecessarily on a so-called custom gun to get a nicely tuned trigger! Any 1911 can be tuned for a perfection trigger, as good as the most expensive custom gun, and it is easy as can be, requiring no special talent or tools.
How to Disassemble and Reassemble the 1911 Lower Grip Frame:
https://youtu.be/Z4IX1lHkrGM?si=G3rMneXZ0xQncf9r