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Home > Characterization and Evaluation of Fired Projectiles > Examination > Shotgun Slugs

Although shotgun slugs may be shown to be consistent with laboratory standards or other evidence items, the level of deformation may be severe, limiting the amount of information.

The steps for this procedure are as follows:

1. Perform preliminary procedure.
2. Record the observable physical characteristics.
   • Dimensions.
     1. Measure diameter; use to determine gauge.
     2. Measure length.
   • Measure weight.
   • Design.
     1. Determine composition.
     2. Describe shape (base, nose, etc.).
     3. Describe slug rifling.
3. Compare physical characteristics with laboratory standards or other evidence items.
4. Identify individual markings (these are unusual when found).
   • Compare striated marks (if present) with standards fired from the evidence firearm.

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