22 is a rimfire, 222 is a centerfire.
The 22 is slightly larger in caliber
A .222 is a .22 cal center fire weapon at fires a .222 round
The .22 bullet is smaller than the 9mm in size, (about 6mm) and is lighter in weight.
The .22 caliber bullet is ABOUT .22 inches wide. A .32 bullet is about .32 inches wide. The bullet will also be heavier due to size.
If you're talking about the difference between a .22 short or long rifle and a .25 ACP, the .22 is a rimfire cartridge and the .25 is a centerfire. Also, the .25 is .03 of an inch larger in diamter.
The 22 is a very small bullet and the 38 is about 4 times larger. The pistols however may be about the same size but will be chambered accordingly.
A 22 caliber rifle is a firearm and a BB gun is an air gun (Not a firearm) Now if you are asking about a .22 caliber air gun then the difference is in the size of the projectile. A BB is a hard round .175 caliber ball. The .22 caliber is a larger size pellet.
22 caliber is the diameter of the bullet. 22 cal. comes in BBcap, short, long and long rifle
Length of the case. <><><> Despite the similar names, .22 Magnum also has a slightly larger diameter than a caliber 22. LR cartridge.
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.
A 22 caliber pistol holds a dose of 22 caliber ammo.
Winchester didn't make it, Remington did. Worth 222-350 depending on condition and lust level of buyer