Firearms Examination

This set of flashcards covers key vocabulary and concepts related to firearms examination for forensic science, including definitions of terms and understanding of processes involved in evidence collection and ballistic analysis.

Firearms Examination

The analysis of firearms to identify and match weapons to bullets and cartridge cases.

Forensic Ballistics

The study of the effects of firearms on their surroundings, primarily to help solve crimes involving the use of firearms.

Trajectory

The path a projectile follows through the air, influenced by gravity and other forces.

Rifling

Spiral grooves cut into the barrel of a firearm that impart a spin to the bullet for more stable flight.

Cartridge

A complete unit of ammunition consisting of a projectile, gunpowder, primer, and casing.

Gunshot Residue (GSR)

Particles expelled when a firearm is discharged, which can be collected from the shooter's hands or nearby areas.

NIBIN

National Integrated Ballistic Information Network, a database used to link firearms evidence to different cases through ballistic imaging.

Microscopic Examination

A detailed analysis of the characteristics of firearms, including lands, grooves, and other markings.

Ammunition

Projectiles designed for use in firearms, consisting of various components such as bullets and gunpowder.

Ghost Guns

Firearms made from kits or components acquired without serial numbers, often assembled at home and may not be detectable by traditional means.

Striations

Unique markings left on bullets as they are fired through a firearm's barrel, which can be used for identification.

Shotgun Shell

A type of ammunition used in shotguns, which contains multiple projectiles and may have various components such as wads and primer.

Misfire

A failure of a firearm to fire when the trigger is pulled, potentially due to faulty ammunition or weapon issues.

Casing

The container that holds the bullet, gunpowder, and primer in a cartridge, which is ejected after firing.

Center Fire

A type of cartridge where the primer is located at the center of the casing base, allowing for various calibers.