Youll need all the visibility you can get when fighting in dark environments. This Opsmen weapon light attaches to your Keymod handguard slots and provides 400 lumens of brightness. Its a very light accessory, and you wont feel much difference after mounting it.
With two CR123 batteries (not included) and an efficient circuit, you can use this light for up to 1.5 hours continuously. Since this light can be configured to accept a pressure switch, you wont always have it on.
Made of 6061-T6 military-grade aluminum, this flashlight has IPX-8 water resistance ratings. It also resists drops from 1.5 meters. Everything about it is designed to withstand punishment.