The Streamlight ProTac HL-X Rail Mount is a high-performance weapon light engineered for professionals and serious shooters who demand reliable, hands-free illumination on their long guns, rifles, or shotguns.
- Delivers a blazing 1,000-lumen output for maximum target identification
- Dual fuel design accepts CR123A lithium or AA alkaline batteries
- Integrated MIL-STD-1913 Picatinny rail mount for secure firearm attachment
- Ten-tap programmable switch cycles through multiple lighting modes
- Impact-resistant, anodized aluminum body withstands harsh field conditions
- IPX7 waterproof rated — fully submersible up to one meter for 30 minutes
Who This Is For
The ProTac HL-X Rail Mount is ideal for law enforcement officers, military personnel, home defenders, and tactical shooters who need a rugged, rail-mounted light that delivers consistent, high-lumen performance in any environment. Whether mounted on an AR-platform rifle, shotgun, or other Picatinny-equipped long gun, this light is built to perform when it matters most.
Specifications
| Brand | Streamlight |
|---|---|
| Model | ProTac HL-X Rail Mount |
| Part Number | 88066 |
| Max Output | 1,000 Lumens |
| Beam Distance | Up to 315 meters |
| Runtime (High) | 1.5 hours |
| Battery Type | 2x CR123A or 2x AA (dual fuel) |
| Light Modes | High / Low / Strobe (ten-tap programmable) |
| Mount Type | MIL-STD-1913 Picatinny Rail |
| Water Resistance | IPX7 (1 meter / 30 minutes) |
| Body Material | Anodized 6000 Series Aluminum |
| Length | 5.27 inches |
| Weight (w/ batteries) | 5.93 oz (CR123A) / 6.67 oz (AA) |
Frequently Asked Questions
What firearms is the ProTac HL-X Rail Mount compatible with?
The ProTac HL-X Rail Mount is compatible with any firearm featuring a MIL-STD-1913 Picatinny rail, including AR-15/M4-style rifles, AK-pattern rifles, tactical shotguns, and other rail-equipped long guns. It is not designed for handgun use — Streamlight offers separate ProTac models for pistol mounting.
What is the ten-tap programmable switch, and how does it work?
Streamlight's ten-tap programming allows you to set the light to your preferred default mode — High, Low, or Strobe — by clicking the tail switch ten times in rapid succession. Once programmed, the light will always power on in your selected mode first, giving you instant access to the output level you rely on most in critical situations.
Does the ProTac HL-X Rail Mount include a pressure switch or remote switch?
The ProTac HL-X Rail Mount comes with a tail-cap switch for direct operation. Streamlight also offers compatible remote pressure switch accessories (sold separately) that allow for easy activation when the light is mounted further forward on the rail, keeping your firing hand in position and improving overall weapon control.