The subject of this article appears in Call of Duty: Black Ops Cold War
"4.0x telescopic sight manufactured in the UK with a light aluminum body and comfortable eye rest improves targeting and hit potential from long range."
Gunsmith description

The Royal & Kross 4x is a telescopic sight featured in Call of Duty: Black Ops Cold War. It features the highest zoom level (4x) of all telescopic optics. It is not available to SMGs.

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