Surefire Scout Light Pro M640 1,000 Lumens, Picatinny & M-LOK

The Surefire Scout Light Pro M640 is a compact, rail-mounted weaponlight designed for professional and demanding operational use. It produces a high-output white beam and ships with mounting hardware for MIL-STD-1913 (Picatinny) and M-LOK rails. Activation is via the Z68 tailcap with momentary and constant-on capability; two CR123A batteries are included.

Key Specifications

• The output is 1,000 lumens.
• The high-output runtime is approximately 1.25 hours on two CR123A batteries.
• Includes two CR123A (123A) batteries.
• Peak useful beam distance is approximately 213 meters.
• Peak beam intensity measures about 11,300 candela.
• Overall length is 5.5 inches.
• Head diameter is 1.125 inches.
• Includes mounts for MIL-STD-1913 (Picatinny) and M-LOK rails and features a Low-Profile Mount (LPM) for optimized placement.
• Features a Z68 click on/off tailcap with momentary and constant-on switching options.
• Constructed from aluminum with Mil‑Spec hard‑anodized finish and O‑ring sealed (IPX7 rated).

Compact and purpose-built, the Scout Light Pro M640 pairs high output with proven durability and straightforward controls. The TIR optics balance reach and surround illumination for a wide range of practical tasks, while the Low-Profile Mount provides routing options for setups that include other rail-mounted accessories. Rugged materials and environmental sealing make it a reliable component for users who need a dependable illumination solution on their rail systems.