Shotgun and rifle cartridges Heavy machine guns use cartridges of 50 caliber or less are Rifle with anti-material capabilities.
The primary purpose of a cartridge is to provide a convenient pre-assembled "all-in-one" package that is easy to handle and transport, as well as to prevent the potential propellant loss, contamination, or degradation from moisture and the elements.
Shotgun: A firearm that fires shells filled with multiple pellets known as shot, which form a pattern ideal for hunting small game and moving targets at close ranges (e.g., ducks, pheasants, doves, rabbits, and turkey), but can also fire single projectiles known as "slugs" for big game hunting.
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