Welcome to the club!
I've got very little 1911 experience, under a year, but I agree with NGIB: shoot it a lot before tinkering with it.
Oh, and Jo is right as well. Soon you'll need another one.
Now hatred is by far the longest pleasure;
Men love in haste, but they detest at leisure.
- Lord Byron (George Gordon Noel Byron), Don Juan
(canto XII, st. 6)