The gun that it is modeled after is not that important. The main issue is who makes the gun you want to buy. If it is a really cheap brand you will probably get a gun that the trigger will fall off of in about a day, no matter what stile the gun is. If it is a nice brand though than you will get a nice gun that works reliably and its up to your taste as to whether you get the AK47 or the M4.
Jing Gongs don't fire that well. Go with the AK.
Air-soft vest because you can hold more stuff and it provides more padding
For an air soft gun it's average. Air soft guns can reach 400 FPS.
soft less packed and able to get more air to burn
ak47 or mp5. They are beastly. Look around for a while and try to find some great deals.
You need both.
Soft-air is a rip off of Air-soft
A large, open field away from other people and buildings is a good place to have air-soft battles.
200 TO 400
machine guns and planes the guns were ak47
You can find airsoft products on amazon.com.
Excellent, good, fair, poor