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1.3 / 1.4 High Tension Manganese Steel Spring UPGRADE for Gel Blaster Gearbox – 175mm Long

Need to upgrade your gel blaster and increase your FPS. Then this is what you need.
More durable than standard springs.

– 175mm Long Un-Equal Spring
– Strong Manganese Steel
– Available in 1.3 and 1.4 Tension



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