what calibers are legal in Mexico
They were made in several calibers- will be marked on the barrel.
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.
Winchester made many rifle models chambered in several .22 calibers.
Well over 1000.
300 RUM is one
300 Win Mag would be one.
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.
The M1 is currently made in a variety of calibers.
If you mean the US military cal 30 M1 Carbine, the effective range is about 300 yards. Other weapons will have different ranges (different calibers)