3d weapons and problems of their expert research

The main issues of the methodology for the production of ballistic expertise are investigated in the light of the appearance of products structurally similar to firearms, made using 3d technology. The main criteria for classifying objects manufactured using this technology into the category of firearms have been analyzed. Recommendations for expert studies are given, in particular, when establishing a set of reliability features. The article presents the main stages of the technology of manufacturing products using a 3d printer.