Yes
While not a Glock, the Winchester 9mm is what I recommend the most it doesn't have a lot of kick a lot of power though good for home protection and a good side arm and there should be training you only have to be 18 usually. Still not a Glock, but the Ruger LC9 is a good 9mm.
To kill people.
yes but it wont be as powerful
Impossible to answer. "Best" is a meaningless term until you quantify it. Are you talking about a long gun or a hand gun? New or used? What will it be used for?
Possession means under your control. Having it on your person, in your hand, near you, or you have the keys to to cabinet where it is stored.
Depends on the law of your state. It is not required under Federal law
a hand gun
Under FEDERAL law, usually at least 5 years.
No, he had no actual training on the M2 machine gun he manned.
Actually, yes you can. It will affect the range of of the bullet and the lethality, and may possibly cause the gun to malfuction, but it can be fired underwater.
check under grips at: gunlist.com
The forearm is the front part of the stock, under the barrel, that your NON-trigger hand holds.