Hornady Vector…a 9mm “Tracer” with no phosphorus. Safe to shoot outdoors, even into full cans of gasoline (I have their video demonstrating this). There is no color tip on the bullets, nor special headstamp.
Hornady used a small zirconium wire inside the core of the bullet, lengthwise, instead of the base of the bullet being filled with tracer element. It has about a half of a tenth of a percent of the normal trace compound used in regular tracers.