.25 Caliber is the next size up from .22 Caliber
Here are the sizes of pellet calibers.
.177, .20, .22, .25, 9MM (.0357) 45 cal and 50 cal
I believe there are a few .25 cal spring rifles, however most everything above .22 cal are in the world of PCP (Pre Charged Pneumatic) air rifles and require a special hand pump or Scuba tank to charge them to 2.000 to 3.000 PSI. These air rifles are used in professional and Olympic shooting and in medium to large game hunting. The cost of these rifles starts around $350 and goes up beyond $3000. The cost of the charging equipment for these rifles can add another $200 to $400.
air rifle
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.
The Olympic air pistol and air rifle events use a .177 caliber pellet. The biathlon (skiing and shooting) uses a .22 caliber rim fire rifle.
Some air rifles were available in .22 caliber.
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.
Depends on the rifle. Accurately? About 50 yards max.
a .22 caliber
Blue Book of Airgun Values
The standard caliber of a biathlon rifle is .22.
A rifle that shoots a .22 caliber bullet.
Needs the services of a trained repair technician
value of a model 49 ithaca 22 caliber rifle