As a photo circulated online the fake New Jersey driver’s license and 3D-printed gun police found on Luigi Mangione, he spotted the tell-tale stippling pattern on the firearm’s grip.

The FMDA 19.2, released in 2021, is a relatively old model by 3D-printed-gun standards, says one gunsmith who goes by the first name John and the online handle Mr. Snow Makes.

In the wake of Luigi Mangione’s alleged killing of a health care CEO with a partially 3D-printed pistol, we built and tested the exact same model of weapon ourselves. And it was entirely legal.

An island resident designed and made a 3D-printed gun, an example of how enthusiasts abroad embrace firearms technology nurtured in the United States. Skip to content Skip to site index.