Uploaded August 2026 | Updated September 2026, 3 weeks ago

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Learn how to install an SRS outer barrel on your Silverback VKS.

This conversion requires the use of a Silverback FAST hop-up chamber. The VKS includes a cosmetic cover that replaces the external TDC adjustment wheel for a more realistic appearance.

To adjust the FAST hop-up on the VKS, use either a small tool to rotate the adjustment ring or print the dedicated adjustment tool available here: silverback-airsoft.com/STL/VKS-1007_Hopup_tool_RH.STL

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