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Action Sport Games Ultimate Spring M135 Red 440 fps
ULTIMATE – MILSPEC - M135 – Spring Rate 0.943N/mm or 440 fps. Ultimate Mil-Spec AEG springs are manufactured out of the best steel (SiCr) available for springs. With minimum loss in power and consistency, the Mil-Spec spring series is the ULTIMATE choice for your AEG. The Mil-Spec springs ...
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