A fired bullet and cartridge case

A fired bullet with rifling impressions from the barrel of a gun (left). A fired cartridge case and fired bullet (right). Experts can often identify the weapon used based on rifling impressions on the bullet, or breech face and firing pin impressions in the primer at the base of the cartridge case.

Two New Forensic Firearm Examination Standards Added to the OSAC Registry of Approved Standards

Applicazioni Archivi - Balistica Forense

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Fired cartridge hi-res stock photography and images - Alamy

NIST 3D Ballistics Research Database Goes Live

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Cartridge Case Identification - Scena Criminis

What Are the Basic Parts of Ammunition?

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Cartridge case terminology and identification – Stephen Taylor, WW2 Relic Hunter

Firearm Bullet and Cartridge Case Comparisons

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