U.S. flag

An official website of the United States government, Department of Justice.

Exploration of Breech Face Subclass Characteristics

This study assesses the production of subclass characteristics during the manufacturing of breech faces. Observations on how well subclass characteristics persist on manufactured breech faces with and without any finishing methods as well as the effect of the primer on the quality/quantity of the breech face impressions will be discussed.    

This webinar was presented by the NIJ Forensic Technology Center of Excellence on December 9, 2021.

Date Published: December 9, 2021