Cartridge case markings
Definition
Impressions left on a fired cartridge case by the breech face, firing pin, extractor, and ejector of the firearm. Like rifling marks on bullets, these are compared microscopically to identify a specific weapon.
Related terms
- Comparison microscope
- Two compound microscope bodies connected by an optical bridge that presents one half of each body's image in a single split eyepiece...
- IBIS
- Integrated Ballistics Identification System: an image-based database platform used by multiple countries to store and compare fired cartridge cases and bullets from...
- Rifling
- The helical groove pattern cut into a firearm barrel that imparts spin to the bullet, stabilising it in flight. Rifling lands and...
- Striation marks
- Fine parallel scratches on a fired bullet's surface produced by microscopic irregularities in the barrel's rifling. The pattern is individual to that...
- Wound track
- The path of tissue disruption left by a projectile passing through a body. Consists of a permanent cavity (crushed tissue) and a...
Explained in
- Ballistics Evidence in Wildlife PoachingImpressions left on a fired cartridge case by the breech face, firing pin, extractor, and ejector of the firearm. Like rifling marks on bullets, these are comp...