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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
Capacity: High-capacity reservoir (MAX Edition)
FOC drive system for stable
Not compatible with standard V2 or V3 gearboxes
Platform Compatibility: M4 / M16 / AR15 AEG & HPA platforms
The RetroArms CNC Hop-Up Chamber for AK AEG is a premium upgrade part designed to deliver maximum precision
RetroArms AEG Spring SiCr with Progressive Winding – M140 Cylinders Capacity: High-capacity reservoir (MAX Edition)The RetroArms AEG Spring SiCr M140 is a heavy duty upgrade spring engineered for high powered AEG builds requiring maximum performance and consistency. Manufactured from Silicon Chromium (SiCr) spring steel, it offers exceptional durability, resistance to deformation, and long lasting elasticity under intense mechanical stress. Its progressive winding design starts with a lighter compression rate and increases toward the end of the cycle, reducing