Finally got around to shooting the core. The competition kit is quite nice. Though the hinged trigger still sucks so I traded it out with an Apex trigger. Haven't been able to shoot it since.
To be honest the competition kit is nice but not mind blowing vs my 5" pro. A little smoother and lighter, but my 4.25" pro is very heavy compared to this core with the apex kit.

A buddy bought a used 40 pro with an apex kit installed but he never figured out which kit. It has the aluminum trigger but is has almost zero pre travel or over travel so I'm guessing it's an fss kit. I may look into getting one for my core.

Also, the optic plates finally came in, so have my fast fire 3 mounted now.