This video explains the function and composition of tracer rounds. It details how the pyrotechnic compound ignites upon firing, creating a visible glowing effect. The primary use of tracers is for marking targets in military applications, typically every fourth or fifth round in belt-fed machine guns to provide visual feedback for fire direction. While factory-loaded tracers are available, the presenter demonstrates using pulled M856 projectiles loaded into 5.56 cases as a more economical option.
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