Locus, Call of Duty Wiki

The Locus is a bolt-action sniper rifle featured in Call of Duty: Black Ops III, Call of Duty: Black Ops 4 and Call of Duty: Mobile. "Bolt-action sniper rifle. One-shot kill above the waist." — Multiplayer description of weapon. The Locus is the signature weapon of Rachel Kane (with the exception of "Sand Castle"), being fired in an unusual semi-auto configuration not seen in normal gameplay. In "Sand Castle", Maretti uses a laser-guided version to shoot the player as they overload the generator

Locus, Call of Duty Wiki

According to the wiki, the Void Locus has a Lunar Family event

Locus, Call of Duty Wiki

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