PTW CNC Upper Systema PTW M4 Tanaka Works Tanaka Works Systema PTW Z-Parts PTW CNC EdGI 6.08 Systema PTW Systema PTW Magpul PTS PMAG Emerson mini Fine-Arms Orga Magnus Systema PTW Systema PTW Fine Arms CNC Dytac Barrel Systema PTW Z-Parts MK12 Systema PTW Knights Systema Systema PTW ST320A1 Systema PTW TW5 Systema PTW FCC CNC Systema PTW Tanaka Works Hexmag Polymer Systema PTW Z-Parts PTW CNC ETiny PTW Motor MAG Magazin Systema PTW Magpul PTS PMAG RWC PTW Upper FCC Hopup Systema PTW PTW Zylinder RWA PTW Hopup Z-Parts PTW CNC Magpul PTS CNC FCC AOR Matte Systema PTW Orga Flat Hopup VFC MP5 RIS