It is made out of polymer in place of metal, reducing weight.
The FMG-9 never left the prototype stage, and never saw widespread production on any level, as the item was only produced by Magpul as a proof of concept.
In 2010, Magpul Industries' PTS (Professional Training and Simulation) Division in cooperation with KWA Performance Industries released the FPG (Folding Pocket Gun).
[1] The FPG is almost identical to the FMG-9 prototype, but contains the firing mechanism of an airsoft KWA G18C replica.
[3][4] After some delays, Magpul announced in 2024 that the weapon would be launched as FDP-9 (Folding Defensive Platform) in April 2025.