Do yourself a favor and do nothing but shoot the gun. You DO NOT NEED NEW SPRINGS or any other parts replaced. I see a lot of brass like this at the range including my own. Shoot the gun and enjoy.
Remember kitchen table gunsmiths will get you into trouble and often create more problems for you than you started with
NRA Life Member, NRA Range Safety Officer, IDPA Safety Officer
As you are, I once was, As I am, You will be.