His first revolvers, the 1836 Pattersons, were well liked for the five or six shot they held (depending on model) however they were mechanically weak and Colt's first company went bankrupt. When he redesigned and strengthened he gun in 1848 with the Walker Colt, his frtune was made and tehe company has been successful ever since.
No
not unless the"public area" is permited for that.
Usually airsoft guns aren't allowed in public places
Information not available to the public
Shhhh! No- it's a secret!
A licensed FFL dealer can sell firearms to the public. But, a private party can sell guns to another private party.
No, guns are illegal.
the ones that don't exist.
Depending who is hosting it.
No. There are laser pointers that are available to the public, but they are not weapons. Laser guns as you see in science fiction do not exist.
Yes, police officers typically carry firearms as part of their duty to maintain public safety and enforce the law.
The public has no access to such technology, however, our and other governments may have them.