Bearings, big balls, 7 mm, AirsoftGunsPrecision ball bearings 7 mm japanese quality from series AirsoftGuns Custom Parts. Perfect for replacing basic bushings when you upgrade guns. For the overall strength and durability of bearings is important size of balls and properly solved encapsulation.
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We took advantage of our many years experiences with upgrade of airsoft guns. We used knowledge gained during work on tens of thousands of service orders. We have created a new product line named AirsoftGuns Custom Parts, where you can find the best parts for airsoft guns upgrade.
These bearings ensure a perfect smooth running with minimum friction and low noise. The easy rotation of gears axis need less electric motor power, which can be used directly for pressing of spring into the piston. After replacing of bearings for better quality, you have got high increase rate of fire and good saving battery power.