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How does a tracer round of ammunition work?In: Mercury Tracer |
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A tracer bullet is made by filling a hollowed out area in its base with phosphorus or magnesium. When fired, the gunpowder explosion ignites the material; as the bullet travels, it leaves behind a bright glow, smoke, or both. Barium salts are used in some ammunition as well, and these glow green.
Some specially-designed bullets only begin to glow (or glow at full strength) after they have traveled some distance. This allows the shooter to see how close he is to the target, without the enemy using the tracer to pinpoint him as the source.
Often, in addition to being used for accuracy, tracers are placed at the bottom of a clip so that you know when you're almost empty.
First answer by Jayrusalem. Last edit by Jayrusalem. Contributor trust: 654 [recommend contributor]. Question popularity: 17 [recommend question]
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