Japanese
Military, Police, Civilians
An Air Rifle is either a BB rifle or a pellet rifle. It uses air or gas to propel the projectile.
It's Japanese, and the rifle uses the 7.7x58mm Arisaka cartridge.
AK-47
It all depends on who made the air rifle and the power plant that the rifle uses.
Good rifle, good caliber for most uses. Did you have a specific question?
That would depend on the caliber, and type of bullet, the rifle uses.
The M110 SASS uses the 7.62x51 cartridge.
M1 Carbine
Hunting, target shooting, defense,
There is no one answer- it depends on the rifle. They are generally less powerful than a full size battle rifle cartridge. The M16 rifle uses a 5.56mm bullet, the AK47 a 7.62mm bullet, etc.