Lets get the facts straight for shipping ammo. You can ship loaded ammo through UPS as long as you put a shippinp lable on the package. It does NOT COST any more for shipping. Now I may have mis spoken on Hawaii for shipping. I lived there for 10 years 24 years ago and thing have changed,
These are the guidelines for shipping ammo in the US through UPS. It is a long reg so I put the link.
UPS accepts for transportation such ammunition as constitutes 'cartridges, small arms,' as defined in 49 C.F.R. § 173.59.
https://www.ups.com/us/en/help-cent.../hazardous-materials/shipping-ammunition.page