Ballistics 1
The science of analyzing firearm usage in a crime.
What is forensic ballistics?
This is the end of the barrel from which the projectile exits the firearm
What is the muzzle?
Handguns fired with one hand are called this.
What are pistols?
This type of firearm includes rifles and shotguns
What is a long gun?
automated ballistics imaging and analysis system that serves as a computerized database of digital images of bullets and casings from crime-related guns is known as ___
Integrated Ballistics Identification System
This is the portion of the casing that ignites the gunpowder
What is the primer?
Rifling directions, such as a left twist or right twist provides investigators with which type of information?
Class and circumstantial
These are the portions of the barrel rifling that are raised.
What are lands?
These are the tiny particles expelled from a firearm when it is fired
What is gunshot residue?
Colt 45 is this type of handgun.
This includes primer powder, gunpowder, the bullet, and the casing material that holds them all together
What is the cartridge?
This is the portion of the bottom of cartridge casing that identifies the caliber and manufacturer of the bullet
What is a headstamp?
Revolvers and semi-automatic pistols fall into this firearm category.
What is a handgun?
This can be composed of lead, copper, or combinations of various metals. It can be metal-jacketed, hollow-pointed, or even plastic-coated.
What is a bullet?
These the portions of the rifling in the barrel that are set low.
What are grooves?
The spiral patterns of lands and grooves is a definition of this word.
What is rifling?
When a shotgun is fired, ___ is propelled forward and out of the muzzle of the gun
shot shells
The use of the words "magnum" or "special" with a firearm refer to the use of a more powerful type of this substance.
What is gunpowder?
Once the rim of the casing is positioned, the ___ pushes the casing out of the gun
Ejector
Striations formed as a bullet scrapes against the lands and grooves of a barrel can serve as individual evidence in a ballistics investigation
TRUE or FALSE
True
The caliber of a cartridge is a measure of the diameter of the bullet and provides information about the size of the gun. Is a 0.38 SMALLER or LARGER than a 0.45?
Smaller
The part of a gun that absorbs the force of the casing as it moves in the opposite direction of the projectile, thus protecting the shooter, is the ____
Extractor
A rifle is a gun with ___
Long, rifled barrel
A shotgun is a gun ____
long, smooth barrel
The rifling of a gun is made up of ___
lands and grooves