Firearms
Cartridge Anatomy
Characteristics: Class or Individual
GSR
100
handguns are the most common type of
What is are firearms?
100
Cartridge casing contains
What is gunpowder (or propellant)?
100
distinct markings on a bullet that has passed through a gun.
What are striations? (individual characteristic)
100
primer and propellant particles blow back toward the shooter
what happens when a weapon is fired?
200
Revolver and semiautomatic are two types of
What are handguns?
200
Chemical Reaction occurs
What is when the firing pin (hammer) strikes the primer?
200
gun manufacturers add spiral grooves to a barrel.
What is rifling? (class characteristic)
200
the process of burning something
What is combustion?
300
War is the reason for
What is improved weapon technology?
300
Shots are contained within
What is a shotgun shell (or shell case)?
300
lands and grooves
What are class characteristics?
300
tests for the presence of nitrates after swabbing the shooter's hand
What is the Griess Test
400
Homicide (murder)
What is the deliberate and unlawful killing of one person by another?
400
made of lead, sometimes jacketed with brass, copper or steel
What is a bullet?
400
breech face marks, ejector marks, chamber marks, extractor marks
What are individual characteristics on a cartridge?
400
formed on the skin when the gunshot is in contact range
What is an abrasion ring?
500
study of a projectile in motion
What is ballistics?
500
the most damaging type of handgun bullet, opens up like a flower
What is a hollow point bullet?
500
Manufacturer, shape, caliber, composition of a bullet
What are class characteristics?
500
speckled marks on the skin from an intermediate range gunshot wound
What is powder tatooing?