: The design avoids components restricted by European Union laws, such as pressure-bearing barrels or fire control groups from commercial manufacturers. : A complete build typically costs less than , provided the user already owns a 3D printer. Key Improvements in MkII
/FGC-9-MKII-REV5/ STLs/ - Lower_v5.stl - Upper_v5.stl - Bolt_Carrier_v4.stl - Barrel_Nut_v3.stl - Mag_Release_v2.stl Hardware_List/ - REV5_BOM.xlsx - Metric_vs_Imperial_guide.txt Assembly/ - REV5_Manual_ENG.pdf - Print_Settings.curaprofile Docs/ - CHANGELOG.txt - README_FIRST.txt Fgc-9-mkii-rev5.zip