What is a group of Ammunition called?

A group of ammunition is commonly called a Cache. Other collective nouns you may see include Belt.

Collective nouns are used to refer to a group of objects, animals, or people. When it comes to ammunition, which mainly consists of bullets, rounds, or shells, there are a few collective nouns commonly used to portray various aspects of their presentation, storage, or usage. Here are some collective nouns for ammunition: 1. Arsenal: Arsenal is frequently employed as a collective noun to describe a large collection of weapons and ammunition stored together. It represents an assemblage of various types of ammunition housed for use in military bases or armories or for display in museums. 2. Magazine: Magazine, in the context of ammunition, can refer to a store or location where it is comprehensively kept. These are often specialized facilities, generally secure and well-organized, employed for military or law enforcement purposes. 3. Stockpile: As a collective noun, stockpile signifies a substantial accumulation of ammunition kept in reserve. It evokes the sense of a vast quantity gathered over time and stored with the intention of future use or as a reserve during times of necessity. 4. Cache: Although traditionally associated with secret or hidden reserve ammunition, cache can also be used to describe a collection of ammunition, particularly in an unconventional or informal setting. It conveys the notion of intentionally stored or hidden ammunition for strategic purposes. 5. Supply: Supply is a term that refers to a collection of ammunition available for use or distribution. It portrays the process of providing and replenishing ammunition to ensure a consistent and adequate amount for individuals or entities that require it. These collective nouns offer a versatile range to describe different aspects of ammunition presentation, storage, or availability. Whether presenting the arsenal in a museum, organizing ammunition in secure magazines, storing vast stockpiles for military purpose, discreetly securing a hidden cache, or making sure a readily accessible supply is available, each collective noun captures an essential aspect related to ammunition.