Streamlight ProTac Rail Mount 2 — 625 Lumen Rail Light

The Streamlight ProTac Rail Mount 2 is a compact rail-mounted illumination unit designed for attachment to MIL-STD-1913 (Picatinny) rails and M-LOK compatible surfaces. It offers programmable output modes via TEN-TAP and can be operated with the included remote pressure switch or a push-button tail cap. The unit ships with two CR123A lithium batteries and mounting hardware to support quick installation on rifles and carbines.

Key Specifications

• Output on high is 625 lumens and on low is 60 lumens.
• Beam distances are 297 meters on high and 89 meters on low.
• Peak intensity is 22,000 candela on high and 2,000 candela on low.
• Power is supplied by two CR123A lithium batteries (included).
• Mounting interface is MIL-STD-1913 (Picatinny) with an included M-LOK mount option.
• Switching options include a remote pressure switch (momentary/constant) and a push-button tail cap.
• Programming uses TEN-TAP with selectable modes: high/strobe, high only, and low/high.
• Construction is anodized aluminum with an impact-resistant tempered glass lens.
• Ingress protection is IPX7 with the standard switch and IPX4 with the remote switch.
• Includes remote switch, tail switch, retaining clips, double-sided tape, zip ties, and M-LOK mount.

Low-profile and purpose-built for rail-mounted use, the ProTac Rail Mount 2 combines high output with multiple mounting and switching options to suit a range of field roles from range use to hunting and general utility. Its durable aluminum construction and selectable output modes provide practical, reliable illumination where consistent light and versatile control are required.