Without knowing what your intended end use is, there is no way to answer the question.
Neither, all guns are violent and dangerous.
Varies by the pistol. Normaly better than spring.
If it is a spring pistol it won't have any recoil. According to the specifications, the UHC 1911 Spring Airsoft pistol has an unloaded weight of 1.25 pounds.
if its spring pistol get a new spring or a better piston (if they even make upgraded pistons for pistols) if its gas i cant help you
get the shotgun, but if you want a M4 get an electric on at evike.com or airsoft GI
Yes, any airsoft weapon should be lubricated properly.
My favorite airsoft spring pistol is CYBERGUN S&W M&P HPA, due to its quality construction and wonderful performance. There are many other quality airsoft spring rifles and pistols available online at affordable price. I recommend airsoftatlanta.com for quality airsoft guns and accessories.
take apart the whole gun
Definitely a gas pistol, You don't have to cock it between each shot
most spring airsoft pistols cost about that... but if it's a used pistol than it should be about 10
A spring gun? It depends on how fast you can cock the gun. There is not a fastest gun.
No