Outfit your Sakura M4 with the 3Racing SAK-A538/BK precision black screws to replace generic bolts and improve overall assembly stability. These screws are matched to Sakura M4 fixing points to deliver a tidy, dependable build for both practice and events.
The SAK-A538/BK screws are produced with attention to uniform fit so repeated builds and adjustments remain predictable. Their finish helps resist the dirt and moisture you encounter during regular club use.
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