1. Introduzione è Overview
The Streamlight ProTac Rail Mount HL-X Pro is a high-performance, multi-fuel long gun light designed for tactical and outdoor applications. It features a robust construction, versatile power options, and user-friendly controls, making it an essential tool for various lighting needs.

Figure 1: Streamlight ProTac Rail Mount HL-X Pro USB Long Gun Light.
Funzioni chjave:
- High Output: 1000 Lumens, 50,000 candela with a beam of 447 meters.
- Extended Runtime: Runs 1.25 hours with CR123A batteries or 1.75 hours with SL-B26 USB battery on high setting. Low setting provides 60 lumens, 3,100 candela, 111 meters beam, and runs 21 hours with CR123A or 24 hours with SL-B26.
- Strobe Functionality: For signaling or disorienting; runs 2.5 hours with CR123A or 3.5 hours with SL-B26.
- Jack-Cap Tail Switch: Provides operational switch redundancy with both a push-button and a port for a remote pressure switch.
- Programmazione TEN-TAP: Allows user selection of three different operating programs.
- Versatilità di montaggio: Integrated rail clamps for MIL-STD 1913 rails and M-LOK compatible rail systems with a one-handed snap-on and tighten feature.
- Capacità multi-carburante: Can use either 2 CR123A lithium batteries or Streamlight’s SL-B26 Rechargeable USB Battery.
2. Setup
2.1 Installazione di batterie
The ProTac Rail Mount HL-X Pro is designed for multi-fuel operation, accepting either one Streamlight SL-B26 Li-ion rechargeable battery pack or two CR123A lithium batteries.
- Unscrew the tail cap of the light by rotating it counter-clockwise.
- Insert the battery(ies) with the positive (+) end facing towards the head of the light.
- Screw the tail cap back on by rotating it clockwise until it is fully tightened.
Video 1: This video demonstrates the multi-fuel capability of the Streamlight ProTac Rail Mount HL-X Pro, showing how to install both the SL-B26 rechargeable battery and CR123A batteries.
2.2 Muntà a Luce
The light comes with integrated rail clamps for easy attachment to MIL-STD 1913 Picatinny rails and is compatible with M-LOK rail systems using the included M-LOK kit.
- Identify the desired mounting position on your rail system.
- Allineate u rail di a luce clamp with the rail.
- Use the thumbscrew to tighten the clamp securely onto the rail. For M-LOK systems, attach the M-LOK adapter first using the provided tool, then mount the light.

Figure 2: The ProTac Rail Mount HL-X Pro securely mounted on a long gun rail system, demonstrating its low-profile disignu.
3. Operating Instructions
3.1 Jack-Cap Tail Switch Operation
The unique Jack-Cap tail switch provides operational redundancy, allowing control via a push-button or a remote pressure switch.
- Funzionamentu di Pulsante: Press the button on the tail cap for momentary activation. Press fully until it clicks for constant on. Press again to turn off.
- Remote Pressure Switch Operation: Connect a compatible remote pressure switch to the port on the Jack-Cap. The remote switch typically provides momentary activation.

Figura 3: Detailed view of the Jack-Cap tail switch, highlighting the push-button and the remote pressure switch port for versatile control.
3.2 TEN-TAP Programming
The ProTac Rail Mount HL-X Pro features TEN-TAP Programming, allowing you to select one of three user-selectable programs:
- Prugramma 1 (Impostazioni di fabbrica): Altu / Stroboscopicu / Bassu
- Prugramma 2: Solu altu
- Prugramma 3: Bassa / Alta
To change programs:
- Ensure the light is in the "Off" position.
- Tap the switch rapidly 9 times (within 0.4 seconds per tap) and hold it down on the 10th tap.
- The light will flash to indicate the current program number (1, 2, or 3 flashes).
- Continue holding the switch until the light turns off. Release the switch.
- The light is now set to the next program in the sequence. Repeat the process to cycle through programs.
4. Mantenimentu
4.1 Battery Charging (SL-B26 USB Battery)
If using the SL-B26 USB rechargeable battery, charge it regularly to ensure optimal performance.
- Remove the SL-B26 battery from the light.
- Connect the included 40" USB cord to the battery's charging port and to a USB power source.
- L'indicatore luminosu di a batteria mostrerà u statu di carica (per esempiu, rossu per a carica, verde per una carica cumpleta).
4.2 Pulizia è Cura
- Clean the lens with a soft, clean cloth. Avoid abrasive materials.
- Periodically clean and lubricate the O-rings and threads with silicone grease to maintain water resistance.
- Keep battery contacts clean to ensure reliable operation.
4.3 Resistenza à l'acqua
The ProTac Rail Mount HL-X Pro is designed with varying levels of water resistance:
- IP54-rated: Water-resistant when a remote pressure switch is installed.
- IP67-rated: Waterproof when used without a remote pressure switch (i.e., with the standard Jack-Cap tail switch only).
5. Risoluzione di prublemi
| Prublemu | Causa Possibile | Soluzione |
|---|---|---|
| Light does not turn on or flickers. |
|
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| L'emissione di luce hè deb. |
|
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| Remote pressure switch not working. |
|
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6. Specificazioni
| Feature | Detail |
|---|---|
| Numero di mudellu | 88129 |
| Tipu di fonte di luce | LED |
| Luminosità bianca | 1000 Lumen (Alta) |
| Candela | 50,000 Candela (High) |
| Distanza di fasciu | 447 Meters (High) |
| Fonte d'energia | Battery Powered (SL-B26 USB Battery or 2 CR123A) |
| A cumpusizioni di a batteria | Lithium Ion |
| Runtime (Alta) | 1.75 hours (SL-B26), 1.25 hours (CR123A) |
| Materiale | Alluminiu anodizatu |
| Culore | Neru |
| Dimensioni di u produttu | 5.43 "D x 1.45" W x 1.72 "H |
| Pesu di l'articulu | 7.2 once |
| Livellu di resistenza à l'acqua | IP54 (with remote switch), IP67 (without remote switch) |
| Cumpunenti inclusi | Jack-Cap Tail Switch, 1 SL-B26 USB Battery Pack, 40" USB Cord, 2.5 mm Allen wrench, M-Lok Kit |

Figure 4: Visual representation of the light's dimensions and key performance metrics.
7. Garanzia
Streamlight offers a Limited Lifetime Warranty for the ProTac Rail Mount HL-X Pro. This warranty covers defects in material and workmanship for the life of the product, excluding batteries, abuse, and normal wear and tear. For full warranty details and claims, please refer to the official Streamlight websitu o cuntattate u so serviziu di u cliente.
8. Supportu
For additional support, technical assistance, or to purchase accessories, please visit the official Streamlight website or contact their customer service department. Always refer to the latest information provided by the manufacturer for the most accurate and up-to-date support resources.
Streamlight Official Websitu: www.streamlight.com





