Day/Night Self-Illuminated Reflex Sight
optics Mepro 21
Day & Night
Tritium Powered
Fiber optic
Highly Durable Structure
optics Mepro 21


No batteries. No weakness. No surrender.

Self-illuminated and battle-proven reflex sight.

Originally developed for the Israel Defense Force (IDF), the Mepro M21 Red Dot Day/Night Self-Illuminated Reflex Sight represents the best of Meprolight® tritium technology and remains on active duty for the IDF and militaries and law enforcement worldwide.


A red dot sight with fiber-optic illumination by day, Meprolight® tritium by night, it takes charge of any field of battle with no need for batteries, ever. Its rugged, battle-proven construction meets or exceeds rigorous MIL-STD-810 standards to thrive in the harshest conditions, with five available reticles and a big 30-millimeter lens for maximum situational awareness.


Read what SHWAT™ – Special Hunting Weapons And Tactics™ has to say about the Mepro M21

No Batteries - no switches - always ready for action
Large field of view - 30mm diameter lens
Effective use of sight under extreme conditions
The sight of choice of Armed Forces and Law Enforcement
Battle proven

Tech Specs

Magnification x1
Lens Diameter 30mm (1.1811 in.)
Field of View Unlimited with both eyes open
Power source Fiber optic and Tritium
Aiming Point Diameter 4.3 MOA/ 5.5 MOA/ Triangle/ Bullseye/ Open “X”
*some ooptions might not be available
Dimensions: (L x W x H) 114 x 55 x 70 mm (4.48 x 2.16 x 2.75 in.) with Picatinny adaptor
Weight 372 g (13.12 oz.) with Picatinny adaptor

Video Guides