What are the two types of long guns mentioned?
Rifles can fire five bullets, while shotguns can fire five small pellets (shots) or slugs.
What are the two types of hand guns mentioned?
Revolvers hold cartridges, while semi-automatics can load up to 10 cartridges in a magnetic clip.
Define cartridge.
Bullet + Case + Gunpowder + primer
A cartridge is the complete unit that is loaded into a firearm.
What does caliber measure?
Diameter of cartridge
Caliber is an important specification for firearms and ammunition.
List the materials bullets can be made of.
Different materials can affect the performance and application of bullets.
True or false: Jacketed bullets travel slower than non-jacketed bullets.
FALSE
Jacketed bullets are designed to travel faster.
What is rifling in a firearm?
Grooves cut or formed in a spiral down the barrel
Rifling increases the power and range of the bullet.
What can chemical tests reveal about a person in relation to firearms?
Gunshot residue (GSR)
GSR can indicate how close a person was to a fired gun.
How does rifling affect fired bullets?
Causes distinctive grooves, indentations, and scratches
These markings can be used for forensic identification of bullets.