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Flashcards in Ballistics Deck (41)
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1

How are shotguns classified?

By gauge

2

Gauge

The number of appropriately sized bullets that could be made from one pound of lead; the smaller the gauge, the bigger the bullet

3

Contents of a cartridge

Projectile
Propellant
Primer
Casing

4

Types of shotgun projectiles

Birdshot, buckshot, slug

5

Tool

A device or implement used to carry out a particular function

6

Firearm

A weapon from which a shot is discharged by gunpowder

7

Ballistics

The study of projectiles, trajectories, and the effect on the target

8

Firearms Identification

Methods to determine whether a bullet or cartridge was fired by a particular weapon

9

Barrel

Metal cylindrical part of a firearm through which the bullet travels

10

Muzzle

Discharging end of the barrel of a firearm

11

Chamber

Firearm compartment that holds the cartridge

12

What is the chamber of a rifle called?

The breech

13

What is the chamber of a revolver called?

The cylinder

14

Hammer/Striker

Part that hits the primer or firing pin or explodes the percussion cap, causing the gun to fire

15

Magazine/Cylinder

Detachable firearm component in which cartridges are held to be fed into the firing chamber

16

Types of firearms

Handguns, shotguns, and rifles

17

Handgun types

Revolver
Semi-automatic pistol

18

Shotgun types

Single shot
Pump action
Automatic

19

Rifle types

Single shots
Automatic

20

Three types of ballistics

Internal - travel within gun
External - gun to target
Terminal - wound ballistics

21

Casing materials

Steel
Brass
Aluminum
Nickle-coated brass

22

Caliber

Diameter of the bullet in either hundredths of an inch or mm or inside bore of the barrel

23

Why is the bullet actually slightly larger than the caliber?

So it fits snugly in the barrel, creates a seal, and doesn't rattle around

24

Primer types

Center vs Rim
Berdan vs Boxer

25

Cartridge Identification

Manufacturer markings
Markings by the process
Extractor
Breech
Firing pin

26

Extractor

Hooks the cartridge and pulls it out to hit the ejector

27

Process markings

Firing pin marks
Chamber marks
Breech impressions
Ejector
Extractor

28

Gunpowder Identification

Granule shape (ball, flattened ball, flake, stick)
Chemical composition

29

Methods of bullet identification

Metal composition
Caliber
Barrel Rifling

30

Common metal compositions

Copper
Zinc
Steel