This is probably a long shot, but thought I would try....
I do have a few modern pieces ...not many, and nearly all Fett related.
I have an earlier release ( larger one, not like the cloud city release) kotobukiya FETT
Bought himm a few years ago and love him, he has been stored for a while at my sons, but when returned, his rangefinder is missing and the strap on the blaster, I can live with the strap missing but the rangefinder missing is doing my nut!
I ve tried emailing Koto UK a few times to see if they do spares, but rudely have never had any responses!
So does anyone have any idea if you can get spares? If not I will resort to a bit of DIY, which will be a challenge!
Here's a pic of him with rangefinder