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Biography: Better known under his pseudonym JStark1809, Jacob Duygu (born in 1992 or 1993, died in July 2021) was a German-Kurdish gun designer. With contributions from the "guerrilla 3D-gun file development group" Deterrence Dispensed, JStark designed and manufactured the original FGC-9, a physible, 3D-printable semiautomatic pistol caliber carbine.
Place of birth: Germany
Gender: Male
Participated in:
