Armory

: Historically, a place where arms are manufactured or stored. In modern US usage, it often refers to a National Guard headquarters where equipment is kept and training occurs.

: A place for storing the accessories and accouterments of war. armory

Depending on the context—historical, military, or general—the "proper" text regarding an armory can vary from formal definitions to strict operational procedures. Formal Definitions and Distinctions : Historically, a place where arms are manufactured

An (or armoury in British English) refers to a specialized military or civilian location dedicated to the storage and maintenance of arms and ammunition. Inspection and Inventory Schedule

While terms are often used interchangeably, historical and technical definitions provide specific distinctions:

8-19/001.00 - Armory Maintenance, Inspection and Inventory Schedule