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Rocket Airsoft M130 AEG Spring. Silver type upgrade spring that is non-linear. Fits in all gearboxes. A higher FPS than standard for heavy duty upgrades. FPS will be north of 400, maybe around 420 or so. (please note: packaging may be generic or labeled as 'Rocket Airsoft', but is made by SHS OEM)
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🇺🇸 Ship from USA · On Agora since 2026
$9.99