I hated the hinged trigger in all my S&W's so I put in some Apex triggers. My Performance Center Ported CORE already had a good feeling trigger except for the hinge. I was going to just out in a flat faced trigger l, but decided to just go ahead and do the whole FSS kit. The kit ( springs, sear, etc.) did make the trigger a little better but the biggest difference was in the actual trigger. Just not having the hinge was night and day difference for me. Some people I've talked to said their PC COREs have a crappy stock trigger, but mine didn't. If your trigger pull and reset feels good stock then I would just get the apex trigger and leave the springs and sear alone. If you can I would get the flat faced. I have both and like the flat one better. If your picky about having a good reset that you can hear and feel, the Apex RAM definitely will do this. Anyway, have a merry Christmas and congratulations on your new pistol.