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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
this chamber ensures optimal performance in every shot
and functionality of your AR-style airsoft build
Some fitting may be necessary depending on receiver tolerances
Supports green tracer BBs
Professional installation is recommended for best performance
RetroArms CNC Gearbox M4/416 TM NGRS (8mm) Gel Blaster this chamber ensures optimal performanceThe 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