Novritsch SSR-4 Gen 2 Airsoft M4 AEG Rifle (Metal Receiver) - Black

As Seen Used by Novritsch Metal Receiver Version Programmable Electronic Trigger Unit Modern Flat Trigger 16:1 Reinforced CNC High-Speed Gears & High Torque Motor Preinstalled Reinforced Gen 2 V2 Gearbox Construction Quick Spring Change System 6.03 Precision Inner Barrel & Rotary Style Hop-up Unit Preinstalled QD Sling Mounts MLOK & Picatinny Accessory Compatibility 14mm CCW Threads Deans Connector for Batteries