RetroArms CNC Gearbox V3 – 8mm Bearings – QSC (Quick Spring Change) Anti-Revesal Latches Drop-in design for easy installation

Drop-in design for easy installation (may require minor fitting)

Receiver Type: Skeletonized Upper & Lower Receiver Set

Performs well even under high rate of fire (ROF) and high-stress setups

Material: CNC Hardened Steel

RetroArms CNC Gearbox V3 – 8mm Bearings – QSC (Quick Spring Change) Anti-Revesal Latches Drop-in design for easy installationThe RetroArms CNC Gearbox V3 8mm Bearings QSC is a high performance upgrade shell crafted for Version 3 AEG platforms, including AK series, G36, and others. Built from EN AW 7075 T6 aircraft grade aluminum, this gearbox shell is designed for extreme durability, precision fitment, and long term reliability under high stress builds. This version includes pre installed 8mm steel bearings for optimal gear support and rotation. It also features the Quick