Streamlight ProTac Rail Mount HL-X Black LED Tactical Weapon Light

Streamlight ProTac Rail Mount HL-X Black LED Tactical Weapon Light Features and Performance

The Streamlight ProTac Rail Mount HL-X Black LED Tactical Weapon Light is a high-output long gun light built for rifles, carbines, and other rail-equipped firearm setups where strong beam reach, durable construction, and flexible switching options matter. Its fixed rail-mount design is intended for MIL-STD-1913 Picatinny rails, and Streamlight also includes an M-LOK mount to give users additional mounting flexibility for modern long gun platforms. For shooters putting together a defensive rifle, duty-style carbine, or range setup, this light offers a practical combination of output, mounting security, and proven weapon-light functionality.

One of the biggest strengths of this model is its beam performance. On high, the light produces 1,000 lumens with 50,000 candela and a beam distance of 447 meters, giving it the kind of reach that works well for positive target identification and longer-distance use. It also includes a low mode at 60 lumens for extended runtime and reduced splash when full output is not necessary. Streamlight’s TEN-TAP programming allows users to select between high/strobe, high only, or low/high modes, which gives the light a more adaptable feel depending on how the rifle is set up and what role it is intended to fill.

Another major advantage is the included switching setup. This package comes with both a standard push-button tail cap switch and a remote pressure switch, allowing shooters to configure the light around their preferred grip and rail layout. The remote pressure switch supports momentary and constant-on operation, while the push-button tail switch offers a straightforward option for more conventional setups. That flexibility makes the ProTac Rail Mount HL-X especially appealing to users who want a rail light that can be configured for a range rifle, defensive carbine, or working long gun without needing to buy additional switching hardware right away.

Built from 6000 series machined aircraft aluminum with a black anodized finish, this model is designed for serious use. Streamlight rates it IP67 with the standard push-button switch installed, making it dust tight and waterproof to 1 meter for 30 minutes, while use with the remote pressure switch is rated IP54 for water resistance. The light is also designed around a multi-fuel system, using either two CR123A lithium batteries or one Streamlight SL-B26 rechargeable battery pack. For shooters looking for a durable rail-mounted long gun light with strong candela, practical switching options, and flexible power choices, the Streamlight ProTac Rail Mount HL-X Black LED Tactical Weapon Light is a strong fit. For more lights and firearm accessories, visit our accessories collection. To learn more about manufacturer specifications and product information, see Streamlight’s official product resources.