A disconnector is a critical component in a firearm’s fire control group that ensures the trigger resets properly after each shot, preventing unintentional multiple discharges. In AR-15s, AR-10s, and similar rifles, the disconnector works with the trigger, hammer, springs, and lower receiver as part of the fire control group. It is included in lower parts kits and is essential for safe, reliable semi automatic operation, ensuring the firearm only fires one round per trigger pull.
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