M90
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GUARDER Progressive AEG Spring SP90 GDSP090Oil 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
