The X400U combines a 1,000 lumen LED flashlight with a 5 milliwatt red laser. When you flick The X400 on, you can not only see your target clearly but you can also immediately see your weapon’s point of impact without needing to acquire your sights or optic. This combination is a game changer for home defense.
Synonyms:
SureFireX400
SureFire X400U