There are over 1500 different cartirdges that are/have been made. Calibers run the range from .17 Hornady to the .700 Nitro express.
Over what range?
None. Weapons and ammunition are illegal in Mexico.
The model 100 is a .177 caliber air rifle. The model 101 is a .22 Caliber rifle. Basically the same air rifle just different calibers.
They are made in several different calibers. Look on the barrel to read caliber markings.
They were made in several calibers- will be marked on the barrel.
Winchester made many rifle models chambered in several .22 calibers.
300 RUM is one
Well over 1000.
You can have an AR 15 in one of 59 different calibers at last count. The M16 has at least 132 variants.
There is no way to give you a brief answer. ONE of my reference books on cartridges is about 2 inches thick, and THAT does not have all of them. Rifle cartridges have been as small as .17 caliber, and as large as .200 caliber. There are thousands of different rifle cartridges.
300 Win Mag would be one.
Savage manufactured a Model 110 bolt action rifle in several calibers. Very good rifles.
The Remington 700 is a model number. It is chambered in different calibers. The 30-6 being one of them.