Armoury, magazine, or silo. Probably others also.
Arsenal
armoury
a weapon cache
An armoury is a place where weapons are kept (stored).
Weapons and ammunition are stored in an armory, magazine, silo, arsenal or at a weapons or ammo dump. In a home they should be stored in a secure safe or chamber/trigger locked with ammunition locked up separately.
Explosive room
weapons are stored in a tariif
Armoury, magazine, or silo. Probably others also.
The place where weapons are stored is commonly referred to as an "armory." An armory can be a facility or building designated for the storage, maintenance, and management of weapons and military equipment. In a broader context, terms like "weapons depot" or "arsenal" can also be used to describe similar locations.
An arsenal, a weapons cache, etc. Armoury
A secure area where weapons are stored.
An armory is a place where weapons or arms are stored.