What is the definition of Calibration Weapon?

A calibration weapon is a super-precise, high-tech gadget that makes sure our gadgets, from our smartphones to our military drones, are firing straight and true. But let's spice things up a bit with an edgy example: "The calibration weapon on our AI-enhanced sniper rifle decided to take a vacation and now, the bullets are shooting straight at our neighbor's cat, who just happened to be wearing a tiny magnifying glass."