The Guarder Harmonic Steel Spring, featuring SP110 hardness, is the ideal choice for high-speed setups due to its extremely quick release.

This spring is engineered to deliver maximum power and speed to your airsoft weapons. With its SP110 hardness, it ensures a rapid release, giving you the ultimate edge on the battlefield.

Put your trust in Guarder's quality and elevate the performance of your airsoft weapons with this harmonic steel spring.

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