Final answer:
The magazines that are physically convenient to the weapons they served depend on the specific weapon, such as rifle, pistol, shotgun, or machine gun.
Step-by-step explanation:
The type of magazines that are physically convenient to the weapons they served depends on the specific weapon.
For rifle magazines, the most common type of rifles used in military service were bolt action rifles with a magazine capacity typically ranging from 5 to 10 rounds.
For pistol magazines, pistols usually have detachable magazines that can hold anywhere from 6 to 20 rounds.
For shotgun magazines, shotguns typically have a tubular magazine under the barrel that can hold between 2 to 8 rounds.
For machine gun magazines, machine guns often use detachable belts or box magazines that can hold hundreds of rounds.