Best Weapon Lights for the Ruger AR-556
Weapon lights for the Ruger AR-556 — a budget 16″ 5.56 carbine and a common home-defense rifle. Here's every scout light that mounts and how each is graded for close-to-medium work.
Updated
17 weapon lights that fit the Ruger AR-556
Compare all 17 lights in a table
| Light | Lumens | Candela | Beam | MSRP |
|---|---|---|---|---|
| Arisaka 600 Series | 500 lm | 55,000 cd | throw | $250 |
| Cloud Defensive REIN 3.0 | 1,250 lm | 100,000 cd | throw | $325 |
| Cloud Defensive REIN Micro | 1,000 lm | 95,000 cd | throw | $370 |
| Modlite OKW v2 | 1,300 lm | 95,000 cd | throw | $309 |
| Modlite PLHv2 | 1,350 lm | 54,000 cd | balanced | $259 |
| Olight Odin | 2,000 lm | 22,500 cd | flood | $160 |
| Olight Odin Mini | 1,250 lm | 14,400 cd | flood | $130 |
| Streamlight ProTac 2.0 Rail Mount | 2,000 lm | 17,700 cd | flood | $194 |
| Streamlight ProTac Rail Mount HL-X | 1,000 lm | 50,000 cd | balanced | $180 |
| Streamlight TLR RM 2 | 1,000 lm | 22,000 cd | balanced | $160 |
| SureFire M300C Mini Scout | 500 lm | 7,600 cd | flood | $299 |
| SureFire M340DFT Turbo Scout Pro | 650 lm | 95,000 cd | throw | $419 |
| SureFire M340V Mini Vampire | 250 lm | 9,300 cd | balanced | $499 |
| SureFire M600DF Scout | 1,500 lm | 16,000 cd | flood | $329 |
| SureFire M600U Scout | 1,000 lm | 11,300 cd | flood | $309 |
| SureFire M640DFT-PRO Turbo | 700 lm | 100,000 cd | throw | $499 |
| SureFire M640V Vampire | 350 lm | 12,750 cd | balanced | $459 |
- Cloud Defensive REIN 3.0Ideal
1,250 lm · 100,000 cd · throw · ~632 m throw
Where to buy≈ $325 MSRP - Modlite OKW v2Ideal
1,300 lm · 95,000 cd · throw · ~616 m throw
Where to buy≈ $309 MSRP - Cloud Defensive REIN MicroIdeal
1,000 lm · 95,000 cd · throw · ~616 m throw
Where to buy≈ $370 MSRP - Modlite PLHv2Ideal
1,350 lm · 54,000 cd · balanced · ~465 m throw
Where to buy≈ $259 MSRP - Streamlight ProTac Rail Mount HL-XIdeal
1,000 lm · 50,000 cd · balanced · ~447 m throw · strobe
Where to buy≈ $180 MSRP - SureFire M640DFT-PRO TurboWorkable
700 lm · 100,000 cd · throw · ~632 m throw
Where to buy≈ $499 MSRP - SureFire M340DFT Turbo Scout ProWorkable
650 lm · 95,000 cd · throw · ~616 m throw
Where to buy≈ $419 MSRP - Arisaka 600 SeriesWorkable
500 lm · 55,000 cd · throw · ~469 m throw
Where to buy≈ $250 MSRP - Olight OdinWorkable
2,000 lm · 22,500 cd · flood · ~300 m throw
Where to buy≈ $160 MSRP - Streamlight TLR RM 2Workable
1,000 lm · 22,000 cd · balanced · ~297 m throw · strobe
Where to buy≈ $160 MSRP - Streamlight ProTac 2.0 Rail MountWorkable
2,000 lm · 17,700 cd · flood · ~266 m throw · strobe
Where to buy≈ $194 MSRP - SureFire M600DF ScoutWorkable
1,500 lm · 16,000 cd · flood · ~253 m throw
Where to buy≈ $329 MSRP - Olight Odin MiniWorkable
1,250 lm · 14,400 cd · flood · ~240 m throw
Where to buy≈ $130 MSRP - SureFire M640V VampireWorkable
350 lm · 12,750 cd · balanced · ~226 m throw · IR
Where to buy≈ $459 MSRP - SureFire M600U ScoutWorkable
1,000 lm · 11,300 cd · flood · ~213 m throw
Where to buy≈ $309 MSRP - SureFire M340V Mini VampireWorkable
250 lm · 9,300 cd · balanced · ~193 m throw · IR
Where to buy≈ $499 MSRP - SureFire M300C Mini ScoutWrong Tool
500 lm · 7,600 cd · flood · ~174 m throw
Where to buy≈ $299 MSRP
Want to compare optics too? See everything that fits the Ruger AR-556.
Fit is research-verified; the grade is general guidance based on the platform's typical job (flood vs. throw for its range) — not a hard rule.
Common questions
- What is the best weapon light for the Ruger AR-556?
- Every light listed below is verified to mount on the Ruger AR-556, and each is graded for how well it suits the gun's job — flood for fast target ID up close versus throw for reaching out. There's no single winner: pick by output, beam, runtime, and price. The ones marked "Ideal" best match the platform's typical use.
- How many weapon lights fit the Ruger AR-556?
- 17 weapon lights in our catalog mount on the Ruger AR-556, each shown with its lumens, candela, and the beam profile so you can match output to the job.
- What should I look for in a light for the Ruger AR-556?
- Two numbers decide it: lumens (flood — how much light fills a room) and candela (throw — how far the beam reaches). Close-range and indoor use wants flood without excessive candela that glares off walls; longer shots want more throw. Each light below is graded against the Ruger AR-556's typical range.