Meprolight M21 Day/Night Reflex Sight Reviews Summary
Ratings Breakdown
Rated 4.6 by 91 people
Pros from Reviews
- No batteries needed
- Large viewing window
- Easy target acquisition
- Includes polarizer and flash guard
- Solid construction
- Combat proven
- Great optics
- Easy to attach
Cons from Reviews
- Dot not visible for older people
- Washout in dark to bright transition
- Expensive
- Cannot return or exchange
- Triangle dot not preferred
Notable Features
No batteries
Rapid target acquisition
Effective use under extreme conditions
Trusted worldwide
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