SureFire M500L LED WeaponLight for M4 and Variants - 500 Lumens Details

The SureFire M500L WeaponLight replaces the original handguards of your M4 or similar short-handguard weapon, and its ultra-reliable LED delivers a powerful 500-lumen beam with enough reach for mid-range targets and beyond, along with providing significant surround light for peripheral vision. The M500L also features two low-output LED navigation lights. The M500L is activated by three switches integrated into the forend: a constant-on rocker switch (left side), a momentary-on pressure pad switch (right side), and a system-disable rotary switch (rear of battery housing) that locks all lights in the OFF position to prevent accidental activation during transport, storage, or stealth operations. The low-output navigation lights are operated by a smaller momentary-on pressure pad switch (left side). Made from extremely tough Nitrolon polymer and CNC-machined aerospace aluminum with black Mil-Spec hard anodizing, sealed with O-rings and gaskets to keep out the elements, SureFieFire M500-series WeaponLights are proven in combat and used by military and law enforcement around the world. 

Fits: Most M4-type short handguard weapons


  • Virtually indestructible LED regulated to maximize light output and runtime
  • TIR lens produces tight beam with enough surround light for peripheral vision
  • Two secondary white LED navigation lights offer low-light-signature output
  • Switches-Primary beam: momentary-on pressure pad, constant-on rocker, system-disable rotary. Navigation lights: momentary-on pressure pad
  • Construction-High-strength aerospace aluminum with Mil-Spec anodizing; impact-resistant polymer; coated, tempered window
  • Weatherproof-O-ring and gasket sealed
  • Includes high-energy 123A batteries with 10-year shelf life
Max Output -- White Light 500 lumens
Tactical Runtime* 3 .0 hours
Bezel Diameter 1 .62 inches
Weight w/Batteries 1 .4 pounds
Batteries 3 123A  (included)
*Runtime (at highest setting for multiple-output flashlights)
until output drops below 50 lumens

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SureFire M500L LED WeaponLight for M4 and Variants - 500 Lumens

Manufacturer SureFire
Category Gun-Mounted Lights
Part Number M500L-BK-WH
UPC Code 084871318167
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SureFire M500L LED WeaponLight for M4 and Variants - 500 Lumens