It all depends on the Power-plant inside the air gun. The systems include, Pump, C02, Spring, Nirto and PreCharged Pneumatic. (PCP). PCP is the strongest system. It also depends on the weight of the pellet. Pellets come in different weights. With light ones traveling faster and slower ones traveling slower but hitting harder.
What exactly are you asking?
1.5 miles plus
From a rifle, about 1.5 miles- but they can shoot ACCURATELY about 100-150 yards.
Not usually. There are several factors involved besides the spring, but the .22 will usually use a stronger spring to propel the heavier pellet.
4000 fps or so. However, if you mean a .22 Long rifle, about 1200 FPS.
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.
Blue Book of Airgun Values
The projectile can travel up to 1.5 miles
Needs the services of a trained repair technician
I suggest you contact one of the shops on the link below.
An Original model 25, Made by who. There are several air gun manufactures who make .22 caliber air rifles.
10,000 ft give or take