How does a gun work?

How does a gun work?

Richard Saferstein (Former Chief Forensic Scientist) gives expert video advice on: How does the study of firearms help in CSI?; How does a gun work?; How are firearms and ammunition collected in CSI? and more...

What happens is you pull a trigger. It releases a firing pin, which in turn impacts with a primer cap. Contained within the primer cap is a small explosive, which in turn sets off a larger explosive, which is mainly due to smokeless powder. That will send the bullet on its way through the barrel of a weapon.