RetroArms AEG Spring SiCr with Progressive Winding – M190 Delayer Chips the 18:1 set is ideal

the 18:1 set is ideal for DMR setups

and superior reliability

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

Designed to fit Version 2 gearboxes

Material: GF reinforced technopolymer

RetroArms AEG Spring SiCr with Progressive Winding – M190 Delayer Chips the 18:1 set is idealThe 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