Calibers with the suffix "Magnum" are more heavily loaded than cartridges in the same caliber class and therefore have higher ballistic performance. Magnum calibers usually have a comparatively high gas pressure, which results in the high velocities of the projectiles. However, there is no guideline or regularity that specifies the criteria according to which a caliber is given the suffix "magnum".
Magnum calibers are mainly fired from rifles, shotguns and revolvers, but not from pistols. The most common magnum calibers used for hunting are .300 Winchester Magnum and .375 Holland & Holland.
The construction of the weapons must be able to withstand the high loads, especially the cartridge chamber, breech and barrel of revolvers are exposed to increased stress. Shotguns from which magnum calibers (e.g. 12/76 Magnum) can also be fired are marked with the V designation (for reinforced ballistics).
Magnum cartridges must never be fired from weapons that are not designed for this purpose.
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