Drop In Auto Sear Keychain |top|

A (fully automatic) firearm uses a component called an auto sear . This small piece of metal intercepts the movement of the internal firing components. When you hold the trigger down, the auto sear releases the hammer or striker repeatedly as the bolt cycles, allowing the gun to fire continuously until the trigger is released or the magazine is empty.

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According to federal law and ATF rulings, the answer is a resounding yes. A (fully automatic) firearm uses a component called