Isegoria

The FGC-9 stands out from previous 3D-printed firearms designs, in part because it was specifically designed to circumvent European gun regulations:

Thus, unlike its predecessors, the FGC-9 does not require the use of any commercially produced firearm parts. Instead, it can be produced using only unregulated commercial off-the-shelf (COTS) components. For example, instead of an industrially produced firearms barrel, the FGC-9 uses a piece of a pre-hardened 16 mm O.D. hydraulic tubing. The construction files for the FGC-9 also include instructions on how to rifle the hydraulic tubing using electrochemical machining (ECM). The FGC-9 uses a hammer-fired blowback self-loading action, firing from the closed-bolt position. The gun uses a commercially available AR-15 trigger group. In the United States, these components are unregulated. In the European Union and other countries—such as Australia—the FGC-9 can also be built with a slightly modified trigger group used by ‘airsoft’ toys of the same general design. This design choice provides a robust alternative to a regulated component, but also means that the FGC-9 design only offers semi-automatic fire, unless modified. The FGC-9 Mk II files also include a printable AR-15 fire-control group, which may be what was used in this case, as airsoft and ‘gel blaster’ toys are also regulated in Western Australia.

In tests performed by ARES, an FGC-9 with a craft-produced, ECM-rifled barrel exhibited impressive accuracy: the firearm shot groups of 60 mm at 23 meters, with no signs of tumbling or unstable flight. Further, in forensic tests with FCG-9 models seized in Europe, the guns generally exhibited good durability. One example, described as not being particularly well built, was able to fire more than 2,000 rounds without a catastrophic failure—albeit with deteriorating accuracy. The cost of producing an FGC-9 can be very low, and even with a rifled barrel and the purchase of commercial components, the total price for all parts, materials, and tools to produce such a firearm is typically less than $1,000 USD. As more firearms are made, the cost per firearm decreases significantly. In a 2021 case in Finland, investigators uncovered a production facility geared up to produce multiple FGC-9 carbines. In this case, the criminal group operating the facility had purchased numerous Creality Ender 3 printers—each sold online for around $200. In recent months, complete FGC-9 firearms have been offered for sale for between approximately 1,500 and 3,500 USD (equivalent), mostly via Telegram groups.

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