Crusader XM177 FCC CNC Systema PTW Systema PTW CNC PTW Lower MK16 M-Lok 9.3 Alpha Parts G P XM177E2 Systema PTW Systema PTW M16 MK16 M-Lok 13.5 CNC Aluminium Magpul PTS EPM FCC CNC Systema PTW ETiny ECU CPU Systema PTW ETiny Switch Alpha Parts HK Prime PTW Systema PTW Blackcat Orga Flat Hopup SMR 416-Style Systema PTW Tanaka Works Systema PTW Z-Parts Systema ETiny PTW Motor Systema PTW Systema PTW Systema PTW Systema PTW Systema PTW TW5 MAG Magazin MK16 M-Lok 10.5 Systema PTW Ares M320 Lipo Akku PTS EPS Polymer M-LOK Free Blackcat Blackcat Dytac Barrel Systema PTW Magpul PTS PMAG