I am an experienced. I used to work at a towing and recovery shop and have towed tractor trailers.
The camper is definitely at the top end of the spectrum. The weird thing is the company advertises it as a camper that can be towed by a half ton. I just don’t want to have an issue where the truck has mechanical failure due to the weight
I am almost up there trailer weight-wise and the gross weight is managable... but the tongue weight eats up a LOT of the payload of a half-ton truck, which is why I had to abort my first Ram order (after waiting for the mythical Ramboxes no less, good times

)... when my beautiful, decked out Blue Steel Laramie arrived I saw the payload sticker read... 1240. [insert that Darth Vader “NOOOOOO” video]
My Airstream has a max weight of 7600, but with solar in the front tongue weight is about 1000 vs the standard 10% 760. Stable load, but heavy tongue. As you can see from my sig block I searched for and finally found a lightly optioned BigHorn elsewhere with almost 1600 payload, that still had my
key options. Now I could tow my existing trailer and bring a couple family members! Still gotta watch it though.
If I were you, and you want to stick with your current truck for now, I would compromise by lightening up on the trailer and tongue weight. Give yourself some wiggle room on those numbes. The salesman won’t want you to do this of course...
Will a pound over cause you to explode? No. Towing is one of those things (like flying, or motorcycle riding) where you can cut corners here and there for a very long time and come out ok... until you don’t (due to “the perfect storm” of problems eg bad weather+bad road+imperfect load+worn tire+fatigue... etc). For this reason, aside from staying legal, it is all on us to decide how safe we will be every moment we do these things. It all starts by asking the right questions on setup like you’re doing.

Ok, off the soap box!