It's opinion i would personally choose the shotgun
Neither, all guns are violent and dangerous.
get the shotgun, but if you want a M4 get an electric on at evike.com or airsoft GI
Without knowing what your intended end use is, there is no way to answer the question.
yes, you have to pull back to tense the spring. EXAPMLES: pulling back on slide on a pistol pumping the grip on a shotgun
most spring airsoft pistols cost about that... but if it's a used pistol than it should be about 10
Definitely a gas pistol, You don't have to cock it between each shot
.12
Yes, any airsoft weapon should be lubricated properly.
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.
Which spring?? Which pistol??
Sorry- there is simply not enough information in your question to answer it. Which shotgun? Which spring?
feeder spring