Checked todayCloud Defensive
REIN Dual Fuel REINDF
1,100 lm533 m18650IPX8
M640DF Scout PRO M640DF
High-output 1500-lumen Scout Light Pro long-gun weapon light with dual-fuel design (rechargeable 18650 or CR123A primaries) and M-LOK compatibility. Tier-1 rifle weapon light for military, law enforcement, and home-defense rifles.
Amazon: 4.7/5 (964 ratings)
Verdict
Strengths
- Insufficient data for assessment
Trade-offs
- Heavier than typical pocket-carry options
- No lockout mode to prevent accidental activation
- No pocket clip included
- No built-in charging — external charger required
Score Breakdown
Our algorithm scores every flashlight across six profiles. Select a profile to see which metrics drive the result. How we score →
Overall score
Buyer trust, value, raw performance, and build quality.
Amazon Trust35%Buyer social proof from Amazon — 60% star rating + 40% review volume. High stars with few reviews score lower than solid ratings with lots of buyers.76
Star Rating60%4.7 / 580
Review Volume40%964 ratings70
Value25%How much performance you get per dollar.63
Performance Blend55%63
Max Lumens40%1,500 lm69
High Runtime30%1.3 hr49
Peak Candela30%23,000 cd68
Performance25%Blend of lumens, candela, throw distance, and high-mode runtime.65
Max Lumens35%1,500 lm69
Peak Candela25%23,000 cd68
Beam Distance20%305 m69
High Runtime20%1.3 hr49
Durability15%IP waterproof rating and impact resistance.55 / 10055
Formula v1 · select a profile above · nested rows show what feeds each composite
Performance
Max Lumens1,500
Sustained Lumens700
Candela23,000
Beam Distance305 m
Beam Patternhybrid
CRI—
Turbo Stepdown—
Hardware
Battery18650
Rechargenone
ReplaceableYes
LED—
Weight200.0g
Length156.0mm
Head35.0mm
Features
IP RatingIPX7
Impact Resist.1.0m
MaterialAluminum
StrobeNo
LockoutNo
MemoryNo
Magnetic TailNo
Ready to buy the SureFire M640DF Scout PRO?
$379.00
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Common Questions
Is the SureFire M640DF Scout PRO waterproof?
Yes, the SureFire M640DF Scout PRO has a IPX7 waterproof rating, making it suitable for use in rain and wet conditions.
What battery does the SureFire M640DF Scout PRO use?
The SureFire M640DF Scout PRO uses 18650 batteries.
How far can the SureFire M640DF Scout PRO throw?
The SureFire M640DF Scout PRO has a maximum beam distance of 305 meters (1000 feet) with 23,000 candela.
How bright is the SureFire M640DF Scout PRO?
The SureFire M640DF Scout PRO produces up to 1,500 lumens on its highest mode.
How much does the SureFire M640DF Scout PRO weigh?
The SureFire M640DF Scout PRO weighs 200.0g (7.1 oz). It is 156.0mm long.
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