Original all black arp9 bought roughly 2 years ago. Has been upgraded over the years to the point where only the exterior is original. Parts list 1. Gate Titan Basic 2. CNC trigger with reduced over travel 3. SHS 13:1 gears 4. Systema cylinder + plastic piston w/steel teeth 5. CNC ASG 30k motor 6. Prowin CNC Hopup w/Flat Hop nub 7. Umbrella Armory Rhop Prometheus 6.03mm barrel 8. G&G 1500 rd Drum Mag