What mark is generally found on a cartridge case fired from an automatic firearm, located near the rim of the case?
Understand the Problem
The question is asking about the specific mark that is typically found on a cartridge case after it has been fired from an automatic firearm. It presents multiple-choice answers, suggesting that this is likely related to firearms or forensic ballistics.
Answer
Ejector mark
The mark generally found on a cartridge case fired from an automatic firearm, located near the rim of the case, is an ejector mark.
Answer for screen readers
The mark generally found on a cartridge case fired from an automatic firearm, located near the rim of the case, is an ejector mark.
More Information
Ejector marks are tool marks left by the firearm's ejector mechanism when the cartridge case is expelled. These marks are used in forensic ballistics to help match cartridge cases to specific firearms.
Tips
A common mistake is confusing the ejector mark with the firing pin impression, which is located on the primer of a cartridge case.
Sources
- Forensic Marks on a Cartridge Case | NIST - nist.gov
- Marks Found On Fired Bullets and Cartridges | PDF - Scribd - scribd.com
- Module 4 - Forensic Examination and Firearms Evidence - wilber-learndev.com
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