A nice trigger and hammer. Some quality grips that are more your taste and not Colts. Night sights, hdck there are a ton of upgrade parts for a 1911, much like an AR. It's a Lego for big kids!
1. mags
2. A good holster, and a serpa is not good, look for a milt sparks or similar.
3. mags
4.mags
5. heinie straight 8 night sights
6. mags
7. a trigger job
8. mags
You know what? I think you highly recommend mags?
LOL
Don't forget some 10 round mags as well as the 8 round