| Component | Meaning | Typical Implication | | :--- | :--- | :--- | | | F*ck Gun Control | The original project codename (emerged circa 2020) | | 9 | Caliber | 9mm Luger/Parabellum | | mkii | Mark II | Second major iteration of the design | | rev5 | Revision 5 | Fifth minor update/sub-version of the MKII | | .zip | Container format | Deflate compression, widely compatible |
: The design transitioned to standard metric bolts and nuts to ensure parts could be sourced globally from hardware stores without relying on US-centric "Imperial" sizes. Enclosed Ejector Fgc-9-mkii-rev5.zip