how 3 round burst works?

How does a 3 round burst sear work?
In automatic firearms, burst mode or burst -fire is a firing mode enabling the shooter to fire a predetermined number of rounds, usually two or three rounds on hand held weapons and 50-100+ on anti-aircraft weapons and autocannons, with a single pull of the trigger.
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Is 3 round burst effective?
Three round burst doesn't really have any major advantage over regular full auto. Automatic fire, especially from a light gun, is most effective when done in short bursts. Doing effective short bursts is not that difficult, but it does require a bit of training and some discipline.
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Is 3 round burst illegal?
3 round burst is only legal if you have the gun registered with the Feds as a full auto firearm. There is the binary firing system that the Feds have decided is legal. It shoots once on the trigger pull and once on the release of the trigger.
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What is the point of 3 round burst?
The M16A4's three- round burst fire mode originated in post-Vietnam studies that recommended the feature in order to promote ammo conservation during combat, reasoning that the first three rounds fired in any automatic burst were the most likely to strike a target. Oct 28, 2015
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