At Redwolf Airsoft is the OPSMEN Fast 401 Weaponlight that has 800 lumens of brightness and can be mounted to any weapon that has a rail system... "FAST 401 Ultra-high-output Led Weaponlight is an auxiliary versatile weapon light for compact weapons and full-size hand guns, designed to maximize visibility and long-range targeting capability in a variety of tactical applications: Military, tactical, law enforcement and home defense users can benefit from its targeted bright light.