3-D Bullet Topography (IMAGE)

National Institute of Standards and Technology (NIST)

3-D Bullet Topography

Caption

As with bullets, markings on cartridge cases can be used to identify the gun that fired it. This image shows 3-dimensional topographic surface maps of the breech face and firing pin impressions left in the primer at the base of the cartridge case.

Credit

NIST

Usage Restrictions

None

License

Licensed content

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