A cartridge is a pre-assembled unit of firearm ammunition that contains a projectile, propellant, and primer enclosed in a case made of metal, paper, or plastic, intended for use in breechloading firearms. Authors such as Henry William Herbert focused on practical methods of loading, pointing out that larger powder charges can increase the cartridge's range. In contrast, Arthur Corbin Gould emphasized the potential instability of the propellant, cautioning about the risk of misfires.
Henry Seton-Karr highlighted the cartridge's transformative influence on gun design, shifting firearms from muzzle-loading to breech-loading mechanisms. Together, these viewpoints illustrate the cartridge's crucial role in modern weaponry, improving ease of use, precision, and the ability to fire rapidly, as its standardized format became a cornerstone of firearm development.