Sim Tray wont fully go in (iPhone 6)

Yesterday I tried to swap my SIM with a new one.. after I put the sim in the tray I tried to insert it in the iPhone. But it will only go 90% in.. (there's a lil bit of it outside. its like a second lock button.)

What could I do..?

I tried to gently add preasure to the left and to the right of the sim tray.. FAILED.
I used a flashlight to see in the sim tray entrance, all I can see that may block the sim is a gold looking piece of metal after I tried to move it with an paper pin but it's not moving at all.

I also tried to put the sim tray, then gently bend the phone so the sim could slide in.. FAILED

I don't know what to do.. I don't really wanna send it to repairs because I'm afraid that they may replace original pieces from the phone.(Happened to me a few years ago.)

Thank you for your time and help, I appreciate it.