Glock Pistol Toolmarks: A Literature Review and Introduction of Undocumented Toolmarks

Glock Pistol Toolmarks: A Literature Review and Introduction of Undocumented Toolmarks

← Back to Firearm and Toolmarks Webinar Series

This webinar originally occurred on December 14th, 2021
Duration: 1 hour

Glock pistols are well known for their generally distinctive class characteristics and the numerous toolmarks that they create on fired cartridge cases and unfired cartridges. There are many articles outlining the different toolmarks that can be created by these pistols, and this presentation will provide a literature review of the toolmarks that have been documented in the AFTE Journal.

Following this review, two new toolmarks that are not currently documented in the literature and can be produced by Glock pistols will be discussed. The first toolmark is created on the body of the cartridge case near the cartridge mouth. It is created by the intersection of the feed ramp and chamber. The second toolmark is an ejection port mark created on manually cycled cartridges, which can be produced on the cartridge case near the mouth and on the bullet. It is created by the lower edge of the ejection port as a cartridge is manually extracted and ejected.

Detailed Learning Objectives:
Upon completion of this webinar, attendees will:
1.) Be able to identify additional areas of interest to use for firearms identification purposes.
2.) Learn how to establish when and where unknown marks are created.
3.) Understand the value of examining unfired cartridges cycled through a Glock pistol.

Mateo Serfontein, B.S. | Senior Forensic Scientist, Tarrant County Medical Examiner’s Office

View Archived Webinar Here

Funding for this Forensic Technology Center of Excellence webinar has been provided by the National Institute of Justice, Office of Justice Programs, U.S. Department of Justice.

The opinions, findings, and conclusions or recommendations expressed in this webinar are those of the presenter(s) and do not necessarily reflect those of the U.S. Department of Justice.

Contact us at with any questions and subscribe to our newsletter for notifications.

Related Content

Guidelines for the Use of Terrestrial LiDAR Scanners in Criminal Justice Applications

Date March 2022 Overview Terrestrial LiDAR scanning devices (also known as terrestrial laser scanning devices, TLS) acquire complex geometric data that capture a three-dimensional representation of a scene; this technology is used in criminal justice applications such as documenting a…
brain, DNA, bloodstain

Human Factors in Forensic Science Practice Sourcebook

Publication Forensic Science International: Synergy, March 2022 Editors Heidi Eldridge, PhD | RTI International Barbara A. Spellman, JD, PhD | University of Virginia School of Law Thomas Busey, PhD | Indiana University, Psychological and Brain Sciences Working Group Members Paul…

Success Story: LatentSleuth: A Case Study on the Impact of Federal R&D Funding

National Institute of Justice and the Latent Print Research Community Date December 2021 Overview The development of technologies to improve the objective collection, analysis, and interpretation of evidence is driven by the multiple stakeholders that make up the forensic science…