M90
- GUARDER Progressive AEG Spring SP90 GDSP090
Oil Quenched/Tempered Si-Cr Alloy Steel Wire. Not for Tokyo Marui PSG-1. Progressive (nonlinear) winding gives lower resist at the first phase of pressing, but spring keeps the same power.
€ 15,90 - PROMETHEUS Non-Liner Spring MS90
∙ Supreme Quality Airsoft Electric Gun Spring
∙ Non-Linear Type Spring offer stable performance€ 17,00