The M82 by Barrett Firearms Manufacturing. it's a .50 cal sniper rifle. to be more to the point the airsoft rifle is based on the later M82A1. Unless your talking about an assault rifle, that would be the Valmet m82.
No
If your talking about the M82/M107 it depends on what brand.
Airsoft guns do not have clips, they have magazines. Clips are a silly cyber gaming term which reveals your noobishness. Use proper terminology.
It is an airsoft gun based of the PPSH-41 gun
If you use airsoft gun in public place or pretend it's a real gun - yes, you can be shoot. Do not use airsoft guns in public places!
Most airsoft guns have magazines that you put bbs into just like you put real bullets into a real gun's magazine
Yes. A&K and one other company make an airsoft gun based on the design of the Magpul Masada.
Airsoft weapons do not fire real ammunition.
Yes they are the same unless you are talking about a real gun.
Yes, a convicted felon can own and airsoft gun and/or a BB gun. It is a real gun that convicted felons cannot own, in which this would be illegal.
The Ak47
No