Fired Bullet and Cartridge Case (IMAGE)

National Institute of Standards and Technology (NIST)

Fired Bullet and Cartridge Case

Caption

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 impressions on the primer (the silver-colored metal) at the base of the cartridge case.

Credit

Robert Thompson/NIST

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