Pay in 4 interest-free payments of $1536.25 Learn more
Ships within 48 hours · Estimated delivery Sep 19 - Sep 24
Compatibility: M4 AEG/HPA builds (verify fit before purchase)
Optimized internal space for motor fitment
Connectivity: Bluetooth (JeffTron mobile app)
Finish: Anodised
Supports green tracer BBs
RetroArms CNC Gearbox M4/416 TM NGRS (8mm) Gel Blaster Compatibility: M4 AEG/HPA builds (verifyThe RetroArms CNC Gearbox M4 416 TM NGRS (8mm) is a premium CNC machined gearbox shell designed specifically for Tokyo Marui Next Gen Recoil Shock (NGRS) M4 and HK416 platforms. Built from high strength aluminum alloy and engineered with extreme precision, this gearbox provides unmatched durability, perfect gear alignment, and enhanced performance for high end custom builds. Ideal for advanced technicians and performance focused builds, this gearbox