Streamlight ProTac Rail Mount 1L-X USB Pro — 850 Lumens

The Streamlight ProTac Rail Mount 1L-X USB Pro is a compact, multi-fuel weapon light designed for short-barreled rifles, carbines, and submachine guns. It accepts one SL-B9 USB rechargeable battery pack or one CR123A battery and offers selectable output programs via TEN-TAP programming. The Jack-Cap tail cap provides push-button activation and a port for a remote pressure switch for flexible mounting and operation.

Key Specifications

• Output on High with the SL-B9 battery is 850 lumens, 30,000 candela, a 346 m beam distance, and approximately 0.5 hours runtime.
• Output on High with a CR123A battery is 500 lumens, 18,000 candela, a 268 m beam distance, and approximately 1.75 hours runtime.
• Low mode provides 100 lumens, 3,400 candela, a 117 m beam distance, with runtimes of 4.5 hours (SL-B9) or 6.5 hours (CR123A).
• Strobe runtime is approximately 1.25 hours (SL-B9) or 2.5 hours (CR123A).
• Power options accept one SL-B9 USB rechargeable battery pack or one CR123A lithium battery.
• Mounting interfaces include MIL-STD-1913 (Picatinny) rails and an included M-LOK mount for compatible rail systems.
• Switching includes a Jack-Cap tail cap with push-button and remote pressure switch port plus TEN-TAP programming for three selectable operating programs.
• Construction is machined from 6000 series aircraft aluminum with a black anodized finish.
• Optics and durability feature high-temperature, shock-mounted, anti-reflective coated BOROFLOAT glass and impact-resistant construction.
• Ingress protection: rated IP67 with the standard push-button and IP54 with the remote pressure switch installed.

Purpose-built for professional and practical applications where reliable illumination is required, the ProTac Rail Mount 1L-X USB Pro combines compact size, versatile power options, and robust mounting choices to support duty, range, and field use. Its multiple operating modes and secure rail interfaces make it a practical choice for users who require dependable low-light performance in a lightweight package.