The concept centers on selecting a single firearm cartridge and dedicating an entire resource, typically a book or detailed manual, to its specific characteristics, applications, and related information. For example, a publication might comprehensively cover the .308 Winchester cartridge, detailing its ballistics, reloading data, suitable firearms, and historical development.
This approach provides a focused and in-depth understanding. Concentrating on a particular cartridge eliminates the broad, often shallow, coverage inherent in general ammunition guides. This specificity fosters a more profound knowledge base regarding the chosen cartridge’s strengths, weaknesses, and optimal uses. Historically, such focused resources have been valuable for competitive shooters, hunters, and those involved in cartridge development and testing.