Nightstick Full-Size Long Gun Light, No Batteries, 18650 Li-Ion/CR123, 1500 LuMen's, Black, LGL-170A2

Made of 6061-T6 aluminum and hard anodized black it features a super-bright LED rated at 1500 lumens with a 1.5 hour runtime. Designed around a high-efficiency deep parabolic reflector the tightly focused beam reaches up to 304 meters.