AFAIK we have been told we CAN do it, weve been told what was CAN make (maybe not all variations) But I do not believe we have been told the exact method, besides what you have stated. But If I were to assume, I'd say most are made with standard rounds, and skillz, others with posin and extra ingredients most likely are a recipe. +P loads might be as easy as taking two rounds and combining their powder load, but I am not certain...
It would be so cool if you can get a solar collector. To charge your energy rounds. But I definitely don't remember seeing solar panels anywhere except on the huge mass weapon of destruction you see in the trailor. A portable Solar Panel would be a perfect survivor tool and a water filter or a solar still.
I have a question, I looked up in the wiki to see if the the Gauss rifle is going to be in this one. I assume it is because it was in the last Fallout 2, and I don't see why they would remove it. Is it going to use two pieces of ammo this time?
The micro fusion cell and the projectile 2mm or create a mag that contains both?
Because it really didn't make sense how there was this infinite amount of preloaded 2mm projectiles loaded to the side of rifle. The only way It made sense to me was that those magical rounds were reloaded when you repaired the gun. Really its my favorite gun, I even think it should be a weapon mod to make other weapons better. Ex: Hunting Rifle could had its range and power extended by a Gauss mod. It can make things interesting because the drawback would be that it has to be charged.
I apologizes if that question was already asked. And I apologize for my "would be cool" idea.