It would be a lot of work….everyone on the board needs to submit fingerprints and photo’s for background checks. Then you have required board meetings with minutes recorded. It would be easier to go with a trust having those people as trustees and not having to do all the corporation madness. Either way, every time a new item is added everyone has to resubmit paperwork.
The simplest way of doing a Trust is an Individual Trust. Then you can add or detract anyone you want on the Trust after you get your stamps. Only you would need to do the photo and fingerprints, unless you want to add on Items later. Then everyone listed on the Trust would be required to do it also.
Or, You could just start up a new Individual Trust, and start over with new items on it.
I really don't get why most people don't just register as individuals. Do you really want to share your NFA items so much with other people? Mine were all done before the CLEO signoff went away and I just registered (two machine guns, one silencer) them in my name.