Depends on many factors. Range from 10-50 per cent.
up
Handguns can range from about $200 and up. Some guns are a couple of thousand dollars or more.
proofhouse.com/colt/index.html
Yes, handguns have a serial number.
Yes, handguns were used in WWI, and WWII.
It is "safe" to fire, but it will eventually mess up the firing pin.
Most historians believe handguns were first invented in the mid 1400s.
In most U.S. States, handguns don't require registration.
rifles are for further range compared to shotguns, and handguns are not as powerful.
Unfortunately, there is no public database for newer Colt handguns. You will need to contact Colt customer service through their website.
There are no rational ones. Banning handguns only causes gun crime to go up, because the citizens cannot defend themselves against gun wielding criminals (who get THEIR guns illegally, and will ALWAYS have guns)
According to most historians, the first handguns appeared around 1450.