The SureFire M640DF Scout Light Pro is a Dual Fuel long gun weaponlight: it delivers 1,500 lumens with the included SF18650B rechargeable battery and 1,200 lumens with two 123A batteries, providing a reliable power alternative.
The Pro version includes a pre-installed 1913 Picatinny mount and an M-LOK mount, with a low-profile mount to optimize positioning on the handguard. The Z68 tailcap with a shroud allows for both momentary and constant-on activation. Hard-anodized Type III aluminum body, O-ring sealed and IPX7 certified.
Key features
1,500 lumens / 16,000 cd with SF18650B
1,200 lumens / 12,800 cd with 2 x 123A
Runtime: 1.5 h (SF18650B) / 1.25 h (123A)
Z68 momentary/constant tailcap
Length 14.1 cm, weight 156 g with batteries
IPX7 waterproof rating
Package contents
M640DF flashlight with Picatinny mount installed
M-LOK mount
SF18650B rechargeable battery with micro-USB cable