M21 Meprolight Day or Night Self-Illuminated Reflex Sight


MEPRO M21 is the reliable choice. Designed and manufactured the highest military standards to assure years of reliable operation under all field conditions.
With no switches, no battery or other external sources of power, the sight is always ready for action.

Note: Ships to US only!

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Tier deal
Quantity Discount Discounted price
2 - 10 27.78% $494.99
Bulk pricing will be applied to package:
Note: Ships to the US only!

M21 Meprolight Day or Night Self-Illuminated Reflex Sight

The MIL-SPEC Meprolight M21 Self-Illuminated Reflex Sight is used and trusted by militaries and law enforcement agencies worldwide. It is specifically unique, in that, no batteries are needed. Illumination of the point of aim reticle is achieved by a fiber optic collector system during the day and by a miniature selfpowered tritium light source at night. A large 30mm display window allows the shooter to keep both eyes open for better battlefield situational awareness. The shooter has the option of five reticles - 4.3 MOA or 5.5 MOA dot Triangle, Bullseye, and Open X. Day or night, no matter the weather conditions with the Mepro M21, it is always on and always ready.

Proven advantages:

  • No batteries – no switches – always ready for action
  • Large field of view, 30mm diameter lens
  • Effective use of sight under extreme conditions
  • Sight of choice of Armed Forces and Law Enforcement
  • Battle proven

Product Overview Video:


Magnification x1
Lens Diameter 30mm
Field of View Unlimited with both eyes open
Eye Relief 10 to 600mm
Power source Self Illuminated
Aiming Point Diameter 4.3 MOA/ 5.5 MOA/ Triangle/ Bullseye/ Open “X”
Dimensions: (L x W x H) 114 x 55 x 70 mm (with Picatinny adaptor)
Weight 372 g (with Picatinny adaptor)

Additional information




Bullseye, 4.3 MOA, 5.5 MOA, Triangle, Open X

Carrying Handle Adapter

Without, With

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