WADSN M640 640B 640W 640U Surfire Scout Light 800LM Strobe Flashlight Airsoft WeaponLight Mlok Keymod Picatinny Rail Lighting
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Specifications
- Model
- Surfire M640B/M640C/M640U/M640W
- Color
- Black
- Battery
- 2*16340/2*CR123A battery(not inculde)
- Fit
- Mlok Keymod 20mm Picatinny Rail
- Brightness
- 500LM/600LM/800LM
- Functions
- Momentary-On & Contstant-On
- Brand Name
- WADSN
- Model Number
- WD04052
- Origin
- Mainland China
- Light Source
- LED bulbs
Product Description
Model：Surfire M640B/M640C/M640U/M640W
Color：Black
Battery：2*16340/2*CR123A battery(not inculde)
Fit：Mlok Keymod 20mm Picatinny Rail
Brightness：M640C 800LM/M640U 600LM/M640B 600LM/M640W 500LM
Functions：Momentary-On & Contstant-On （M640W Functions Momentary-On & Contstant-On& Strobe）
Pros & Cons
Pros
- Multiple model options with up to 800LM brightness
- Versatile rail compatibility Mlok/Keymod/Picatinny
- Strobe function on M640W for tactical use
- Compact and lightweight for airsoft setups
Cons
- Batteries not included, extra cost needed
- Plastic body less rugged than metal alternatives
- Airsoft-specific, not for real firearms
- Brightness varies by model
Common Questions
What rail systems is the WADSN M640 compatible with?
Fits Mlok, Keymod, and 20mm Picatinny rails on airsoft weapons.
What batteries does it require and are they included?
Uses 2x 16340 or 2x CR123A batteries, not included.
What are the brightness levels and functions?
Brightness varies: 500LM (M640W), 600LM (M640B/U), 800LM (M640C); features momentary-on, constant-on, and strobe on M640W.
What material and build quality for airsoft use?
Durable plastic construction with LED light source, designed for airsoft weapon lights.
Shipping time and origin for this flashlight?
Ships from Mainland China, typically 7-15 business days worldwide with tracking.
Product information last updated on March 28, 2026