The amount of ammo in loot is really too much.
After a few bloodmoons, i also have so much standard ammo that i have to throw away.
The traders only buy 3 stacks of each ammo types the forges are full of brass already and i scrapped so much ammo, that i have multiple stacks of brass.
I even tried renting a vending machine at the trader and while some ammo was sold, most of it was just gone, when my rental expired.
I think it would be more useful, if scrapping ammo also returns gunpowder and lead and not only brass.