Streamlight ProTac HL-X Pro USB Rail Mount | 88127

The Streamlight ProTac Rail Mount HL‑X Pro USB System is a low-profile, rail-mounted long-gun light designed for consistent, repeatable illumination in low-light environments. It delivers up to 1000 lumens and a peak intensity of 50,000 candela with a published beam distance of 447 meters. Power options include a Streamlight SL‑B26 USB rechargeable battery pack or two CR123A lithium batteries, and TEN‑TAP programming provides selectable output profiles. Typical applications include range shooting and low-light field work such as hunting or equipment checks.

Product Specifications

• The manufacturer is Streamlight and the model is the ProTac Rail Mount HL‑X Pro USB System (part number 88127).
• The high output produces 1000 lumens for tasks requiring maximum illumination.
• The peak beam intensity is 50,000 candela, providing long-range visibility.
• The beam reaches a published distance of 447 meters.
• The unit is multi-fuel and uses a SL‑B26 USB rechargeable Li‑Ion battery pack or accepts two CR123A lithium batteries.
• The light features TEN‑TAP programming that allows selection of three operating programs.
• Operational switch redundancy is provided by the Jack‑Cap tail cap switch, with push‑button or remote pressure switch operation.
• The integrated rail clamp attaches to MIL‑STD‑1913 (Picatinny) rails for secure mounting.
• The body uses a durable anodized aluminum construction with an impact‑resistant tempered glass lens.
• The product carries IP67 rating when the remote pressure switch is not installed and IP54 water resistance with the remote pressure switch installed.
• The system includes a SL‑B26 USB battery pack, USB cord, Jack‑Cap, M‑LOK mounting kit, momentary pressure switch, and hardware kit.
• The device is backed by a limited lifetime warranty.
• The listed unit weight is 7.20 ounces.
• The output range is specified as 60–1000 lumens across available modes in manufacturer materials.
• The UPC is 080926881273.

The ProTac HL‑X Pro USB System is built for users who need a compact, durable light with flexible power options and programmable output. Its rail compatibility and included mounting accessories make it straightforward to fit to a variety of platforms, and the rechargeable SL‑B26 option simplifies routine use when USB charging is available. For those who prioritize reliable long-range illumination and multiple activation methods, this unit balances performance with proven Streamlight durability.