I have an FM Hi-Power (from Argentina), mine came with the magazine disconnect already removed. I installed a set of hogue wrap-around grips, to replace the stock ones. They felt like you were holding a beer can, and beat to hell.
After building my 1911, I was fairly confident I could stone a BHP hammer/sear, and I was pretty successful. My trigger is at about 4lbs, which is perfect for this gun. I carry it in the winter, and shoot IDPA with it. I then put a small weld bead on the front of the trigger, where it contacts the inside of the frame. Then, filed and fitted it, to act as an over-travel stop.
Bought new trigger bar from browning, because it would be slightly longer than the one already in it. I fit it, to reduce the reset. Now, this trigger is about as close as you can get to a 1911. This FM already came with night sights, so until I decide when/how I want to refinish it, this is how it is.
It also already came with a pachmayr extended slide lock, and ambidextrous safety.