RetroArms AEG Spring SiCr with Progressive Winding – M190 Delayer Chips and superior reliability

and superior reliability

or trigger board before installation

Capacity: 30 rounds / 120 rounds (switchable)

providing smoother operation and longer lifespan

RetroArms AEG Spring SiCr with Progressive Winding – M190 Delayer Chips and superior reliabilityThe 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