You can own both of those things, you just need the explosives permit from the BAFTE, and they are very strict about the permitting and furthermore the storage, etc of those items. If you don’t mind the FBI examining your butthole and the buttholes of everyone you know, along with massive fees and regular inspections of the items and their storage facility, then have at it.
QOTSA is not the same without DG banging on the drums.