Done in 5 minutes, I eyeballed everything so if something is mismatched, I'm sorry for you loss.

You know how Heather SMG has this special suppressor called "Tishina Suppressor" that's greyish in color? Well, now you can have these colors on all of your weapons. Provided you use Weapons Attachment Customizer to switch you normal suppressor to Bigger The Better.

It's mod_overrides mod, if it wasn't obvious so the folder goes to /assets/mod_overrides. You can rename it to however you like, it will still work if you don't mess with contents.