They can be.
No. Keltec Salinero is a gelding because he often bolted as a stallion.
Not sure but Taurus makes some reliable handguns.
$200+
Cocoa, Florida United States
Keltec PF9, a 9mm semiauto pistol.
Extractor/ejector
Taurus makes fine handguns but Berrettas are better. I have a Berretta Model84 in .380 it is accurate for its size and very reliable
About $250-$300, depending on condition. In my opinion, very under-appreciated handguns. They are well made, accurate, durable, and reliable.
Yes, handguns have a serial number.
Yes, handguns were used in WWI, and WWII.
To answer the question I think you're asking: you can buy some cheap 9mm handguns for $150-300, but to get anything actually reliable, you'll probably have to spend $400 or more. That said though, people have different definitions of the word "reliable."
Most historians believe handguns were first invented in the mid 1400s.