A .222 is a .22 cal center fire weapon at fires a .222 round
The 22 is slightly larger in caliber
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