An AK47 or Kalashnikov ( excuse my spelling ) followed by the m16
Changes according to what is popular
22 rifle
Model 336, the second most popular deer rifle in the US.
Retention of the firearm, and access to it.
No.
22LR
The invention of the Firearm
handgun
Probably Texas
For the most part, no, but there may be exceptions. I would suggest asking a lawyer who specializes in firearm law.
The simplest would be a single shot muzzle loading firearm. In modern cartridge firearms, a break action firearm. They are made as rifles, shotguns and pistols.
Most folks think China