Pico 4 ultra and Quest attachment compatibility

I have a Pico 4 ultra and liking it so far, but the dominance of Quest in the VR space means it’s difficult to find controller attachments for my Pico 4 ultra controllers. They look very similar in size and shape to the current Quest 3 ones.

Has anybody tried, and had success, with getting attachments like gun mounts, hotas mounts of golf club attachments for Quest 3 to work with their Pico 4 ultra?

Appreciate this may be a niche topic but hoping somebody out there has tried this.