Streamlight TLR RM 1 500 Lumen Rail-Mount Light

The Streamlight TLR RM 1 is a compact rail-mounted firearm light designed for installation on Picatinny/MIL-STD-1913 rails. It delivers a concentrated LED output suitable for long-gun mounting, with an anodized aircraft-grade aluminum housing and waterproof construction. The unit accepts a single CR123A lithium battery and provides independently operating controls.

Key Specifications

• The maximum output is 500 lumens.
• The maximum continuous runtime is 1.5 hours.
• The body is constructed from aircraft-grade aluminum with an anodized finish.
• Power is supplied by one CR123A lithium battery (battery noted as included in some sources).
• The mount style is a universal rail/Picatinny attachment for long guns.
• The switch options include an independently operating push-button and support for a remote pressure switch option.
• The unit is rated waterproof (IPX7 reported).
• Reported additional features include rail-locating keys and a user-enabled strobe function.

The TLR RM 1 provides a durable, compact lighting solution for mounting on modern long-gun platforms, combining a high-output LED, robust aluminum construction, and multiple switch options for flexible control. Its streamlined profile and Picatinny-compatible mounting make it a practical choice for shooters seeking a dependable, mission-capable light for range work, training, and general-purpose firearm illumination.