The Russian 50 mm LO-43 IR flare empty cartridge case is a cylindrical metal casing used for infrared flares. Designed for signaling or illumination purposes, it measures approximately 50 mm in diameter and is lightweight, typically made from durable materials like steel or aluminum. The casing features a smooth outer surface with embossed markings indicating its origin and model, LO-43, along with production details. Once deployed, the casing is left empty, having released its infrared flare payload. These cartridge cases are commonly found as remnants on military training grounds or after field operations