How to modify the NoCollider gun scope?

Hello, I'm attempting to use a different image for the NoCol scoped weapons. I've tried modifying these two files:

https://prnt.sc/o2t675

to the image of my scope, but all I get in game is a blank transparent area with a box surrounding it.

https://prnt.sc/o2t718

Is anyone capable of providing an answer to this problem?

I don't think you can since NoCollider guns use an external module for privacy/security