Guarder SP-120 Oil Temper Wire AEG Spring For Tokyo Marui Style AEG

Boost your AEG’s performance with the Guarder SP-120 Oil Temper Wire AEG Spring, designed for Tokyo Marui-style gearboxes. Manufactured by Guarder, a trusted name in airsoft internal upgrades, this high-quality steel spring is ideal for players seeking increased FPS and long-lasting durability. Constructed from oil-tempered steel wire, the SP-120 spring delivers consistent compression and enhanced resilience under high-stress use. It’s a popular choice for upgraded builds aiming for higher muzzle velocity, typically in the 380–410 FPS range, depending on other internal components and air seal quality. The spring is compatible with a wide range of gearboxes from Tokyo Marui, Matrix, and other brands that follow standard AEG V2/V3 gearbox specs. Whether you're upgrading your rifle for outdoor engagements or looking for a reliable replacement spring, the SP-120 is built to handle the demands of competitive airsoft. Designed for smooth operation and reduced wear, the Guarder SP-120 Spring offers a balance of performance, efficiency, and long-term reliability. Features: Oil-tempered design Compatible with most Tokyo Marui spec gearboxes Easy drop-in installation Precision-manufactured in Taiwan