In professional settings (military, police, or correctional), "proper" text typically refers to standard operating procedures (SOPs) or safety guidelines:

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

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

: Specifically a storehouse for powder and ammunition . Operational and Safety Procedures

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

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