Jacob Duygu
Jacob Duygu | |
|---|---|
| Born | c. 1993 Germany |
| Died | October, 2021 Völklingen, Saarland, Germany |
| Other names | JStark1809 |
| Occupations | Firearms designer, former soldier |
| Known for | Creator of the FGC-9 3D-printed firearm |
Jacob Duygu (c. 1993 – October 2021), known online as JStark1809, was a German firearms designer and former Bundeswehr soldier. He is best known for designing the FGC-9, a semi-automatic 9mm carbine that can be manufactured using a 3D printer and widely available parts.