Description
The Streamlight ProTac Rail Mount HPX Pro USB is a rechargeable longgun light engineered for focused, longrange illumination on MILSTD1913 (Picatinny) rails. The system accepts the SLB26 protected LiIon USB rechargeable battery pack or CR123A lithium cells and offers multiple operating programs via TENTAP programming. It features a JackCap tail switch with dualswitch capability, including a straight momentary remote pressure switch for remote activation. Built with anodized aircraftgrade aluminum and impactresistant glass, the light is designed for demanding field use and variable weather conditions.
Key Specifications
The output range is 55800 lumens.
The peak intensity is 105,000 candela, providing a long, focused beam.
The listed beam distance on high is 648 meters.
Battery compatibility includes SLB26 rechargeable pack and CR123A lithium cells.
High mode runtime is 2 hours (SLB26) and 1.5 hours (CR123A).
Low mode runtime is 26 hours (SLB26) with extended duration on low output.
Construction is anodized aircraftgrade aluminum with a BOROFLOAT glass lens.
Mounts to MILSTD1913 (Picatinny) rails and includes an MLOK mount and mounting hardware.
Ingress protection is IP67 (with standard tail cap) and IP54 (with remote pressure switch installed).
Electronic features include TENTAP programming and a JackCap tail switch with remote pressure switch option.
Designed for shooters who need reliable, longreach illumination on a railmounted platform, the ProTac Rail Mount HPX Pro USB combines multifuel flexibility, programmable modes, and rugged construction in a compact system. Its included SLB26 rechargeable battery, remote switch, and versatile mounts make it a practical choice for range work, hunting, and professional applications where controlled, longdistance light matters.


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