Interesting.
https://www.basspro.com/shop/en/hodgdon-pyrodex-powder?searchTerm=Hodgdon+Pyrodex+PowderImportant notice
Notice--Primer, Powders, Pyrodex.
Consult your state and local laws for the age restrictions and legality of ordering and possessing these products. For safety reasons, we do not accept returns on powder. Due to special shipping requirements for these products, an additional $20 Hazardous Material charge will be applied for any order containing flammable material. Contiguous 48 states only. For US sale only. Due to shipping regulations, signature is required at the time of delivery. The sale of primers, powders, and Pyrodex is prohibited to the states of Delaware, Massachusetts, Maine, Rhode Island, New York City, & Jacksonville, FL. You must be 21 or older to purchase black powder in California. Cannot ship via ship-to-store to Anchorage, AK store. A physical address is required for delivery. This item cannot be expedited and must ship ground.