RetroArms AEG Spring SiCr with Progressive Winding – M190 Delayer Chips 1x CNC Hardened Stainless Steel

1x CNC Hardened Stainless Steel Cylinder Type F (110-200mm)

Designed to fit Version 2 gearboxes

and superior reliability

offering improved handling and a streamlined profile for compact builds

the MSG is optimized for modern speedsoft setups and integrates seamlessly with HPA-powered builds

RetroArms AEG Spring SiCr with Progressive Winding – M190 Delayer Chips 1x CNC Hardened Stainless SteelThe RetroArms AEG Spring SiCr M190 is a high tension performance spring designed for the most demanding airsoft builds. Constructed from premium Silicon Chromium (SiCr) spring steel, this M190 rated spring delivers extreme FPS output, outstanding durability, and resistance to fatigue even in long term high stress conditions. With its progressive winding design, the spring compresses more smoothly at the start, helping reduce initial gear strain and