Only some need c02 cartridges in them, but most don't need air, no.
Air Soft guns. Yes
Air soft guns are popular over the nation. Do not use one if you are not at least 15 :).
There is no licencing anywhere for airsoft guns.
the gas powered air soft guns use CO2 or green gas
yes unless it runs on gas, but guns come with the spring
No.
No
In bonerland
the best brand of air soft guns are...crossman,remington,smith & weson,and echo 1.
stingers are Airsoft guns
The automatic/semi-automatic mechanisms work because as a round is fired, it uses the gas and recoil from the explosion to re-set the gun. Air soft pellets are just pieces of plastic, and do not have any propellant, so they need gas or batteries to cycle the gun.
yes it does